✍ 📁 🙈 🙉 🙊 : CSS background

<h3>CSS background 背景</h3>
<div style="margin-top：-30px">
<pre><code> background-image:url("https://xxx.jpg") 呈現一張圖片地址
 background-size     圖片尺寸 
 background-position 圖片呈現位置
 background-repeat   圖片重複的效果
 background-color    背景顏色
</code></pre></div>

<table border="0" style="font-size : 25px;">
<tbody>
<tr><td rowspan="8" style="vertical-align:top" >div {
</td><td colspan="3">width: 100% ;
</td></tr><tr><td colspan="3">height: 100%;
</td></tr><tr><td colspan="3">background-image : url("https://xxx.jpg") ;

</td></tr><tr><td>background-size :</td><td id="Bgsize">
</td><td><select id="Swidth" onchange="myDIV.style.backgroundSize = this.value;DPcss();this.selectedIndex=0" >
    <option value="" style="display:none;">background-size</OPTION>
    <option value="contain">contain</OPTION>
    <option value="cover">cover</OPTION>
    <option value="auto">auto</OPTION>
    <option value="100px 100px">100px 100px</OPTION>
    <option value="200px 200px">200px 200px</OPTION>
    <option value="200px">200px</OPTION>
    <option value="100% 100%">100% 100%</OPTION>
    <option value="80%">80%</OPTION>
    <option value="500px">500px</OPTION>
</SELECT>

</td></tr><tr><td> background-position :</td><td id="Bgposition">
</td><td><select id="Swidth" onchange="myDIV.style.backgroundPosition= this.value;DPcss();this.selectedIndex=0" >
    <option value="" style="display:none;">background-position</OPTION>
    <option value="left top">left top</OPTION>
    <option value="left center">left center</OPTION>
    <option value="left bottom">left bottom</OPTION>
    <option value="center top">center top</OPTION>
    <option value="center center">center center</OPTION>
    <option value="center bottom">center top</OPTION>
    <option value="right  top">right top</OPTION>
    <option value="right  center">right center</OPTION>
    <option value="right bottom">right  bottom</OPTION>
    <option value="50% 50%">50% 50%</OPTION>
    <option value="30% 70%">30% 70%</OPTION>
    <option value="20px 200px">20px 200px</OPTION>
    <option value="50px 300px">50px 300px</OPTION>
    <option value="initial">initial</OPTION>
</SELECT>

</td></tr><tr><td> background-repeat :</td><td id="Bgrepeat">
</td><td><select id="Swidth" onchange="myDIV.style.backgroundRepeat= this.value;DPcss();this.selectedIndex=0" >
    <option value="" style="display:none;">background-repeat</OPTION>
    <option value="no-repeat">no-repeat</OPTION>
    <option value="repeat">repeat</OPTION>
    <option value="repeat-y">repeat-y</OPTION>
    <option value="repeat-x">repeat-x</OPTION>
    <option value="space">space</OPTION>
    <option value="round">round</OPTION>
    <option value="initial">initial</OPTION>
</SELECT>

</td></tr><tr><td>  background-color :</td><td id="Bgcolor">
</td><td><select id="Swidth" onchange="myDIV.style.backgroundColor = this.value;DPcss();this.selectedIndex=0" >
    <option value="" style="display:none;">background-color</OPTION>
    <option value="red">red</OPTION>
    <option value="pink">pink</OPTION>
    <option value="gray">gray</OPTION>
    <option value="gold">gold</OPTION>
</SELECT>

</td></tr></tbody></table>

</div>

function DPcss() { //alert( );
Bgsize.innerHTML =style.backgroundSize + " ;" ;
Bgposition.innerHTML =style.backgroundPosition + " ;";
Bgrepeat.innerHTML =style.backgroundRepeat + " ;";
Bgcolor.innerHTML = style.backgroundColor + " ; }" ;
}
DPcss();
</script>

#myDIV select { background:rgba(0, 0, 0, 0) ; 
                color:white; width:200px; 
                font-size: 20px}

#myDIV option {background-color: rgb(204, 204, 204 , 3);color:black;}

#myDIV table  {font-size: 20px ;}

pre { font-size: 18px; }
pre > code { white-space: pre;
             margin-top: -25px;
             display: block; }

h3  { text-align: center;
      font-size: 30px;
      font-weight: bold;
      text-shadow: 10px 6px 10px grey;
      color: blue; }
</style>

<h3>CSS Background Patterns</h3>
<pre><code > CSS Background Patterns 簡易單色背景 CSS 語法產生器。
 如果你的網站需求是需要一些單色的背景紋理圖案，來避免略顯單調的白色的話，
 這個 CSS Background Pattern 網站所提供的服務就非常適合。你只需要決定前景、
 背景色、透明度和紋理間的間隔，就可以即時預覽結果，並複製相關的 CSS 程式碼
 到你的網站作使用。</code></pre>

h3  { text-align: center;
      font-size: 30px;
      font-weight: bold;
      text-shadow: 10px 6px 10px grey;
      color: blue; }

.divDP {
    width: 150px;
    height: 150px;
    float: left;
    margin: 10px;
    font-size:22px;
    box-shadow: 0 1px 8px #666;
}

.pattern1 {
    background-size: 50px 50px;
    background-color: #0ae;
    background-image: -webkit-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    background-image: linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
}

.pattern2 {
    background-size: 50px 50px;
    background-color: #f90;
    background-image: -webkit-linear-gradient(0deg, rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    background-image: linear-gradient(0deg, rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
}

.pattern3 {    background-size: 50px 50px;
    background-color: #c16;
    background-image: -webkit-linear-gradient(-45deg, rgba(255, 255, 255, .2) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%, transparent 75%, transparent);
    background-image: linear-gradient(-45deg, rgba(255, 255, 255, .2) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%, transparent 75%, transparent);

}

.pattern4 {
    background-size: 50px 50px;
    background-color: #ac0;
    background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, .2) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%, transparent 75%, transparent);
    background-image: linear-gradient(45deg, rgba(255, 255, 255, .2) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%, transparent 75%, transparent);
}

.pattern5 {
    background-size: 50px 50px;
    background-color: white;
    background-image: 
        -webkit-linear-gradient(to top,transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
        -webkit-linear-gradient(to left, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
    background-image: 
        linear-gradient(to top,transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
        linear-gradient(to left, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5))
}

.pattern6 {color:red;
    background-color: #eee;
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    background-image: 
        -webkit-linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black), 
        -webkit-linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
    background-image: 
        linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black),
        linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
}

.pattern7 {color:red;
    background-color: #eee;
    background-size: 60px 60px;
    background-image: 
        -webkit-linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black), 
        -webkit-linear-gradient(-45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
    background-image: 
        linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black),
        linear-gradient(-45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
}

.pattern8 {
    background-color: #fff;
    background-size: 100% 1.2em;
    background-image: 
        -webkit-linear-gradient(to right, transparent 21px, #abced4 21px, #abced4 23px, transparent 23px), 
        -webkit-linear-gradient(#eee .05em, transparent .05em);
    background-image:   
        linear-gradient(to right, transparent 21px, #abced4 21px, #abced4 23px, transparent 23px), 
        linear-gradient(#eee .05em, transparent .05em);
}

.pattern9 {color:white;
    background: 
        -webkit-radial-gradient(circle, white 10%, transparent 10%), 
        -webkit-radial-gradient(circle, white 10%, black 10%) 50px 50px;
    background: 
        radial-gradient(circle, white 10%, transparent 10%), 
        radial-gradient(circle, white 10%, indigo 10%) 50px 50px;
    background-size: 100px 100px;
}

.pattern10{
    background: 
        -webkit-radial-gradient(circle at 0% 2%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), 
        -webkit-radial-gradient(circle at 100% 100%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), none;
    background: 
        radial-gradient(circle at 0% 2%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), 
        radial-gradient(circle at 100% 100%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), none;
    background-size: 20px 20px;
}

.pattern11 {
    background-color: #88AA33;
    background-image: -webkit-radial-gradient(circle at 0% 50%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), -webkit-radial-gradient(circle at 100% 100%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), none;
    background-image: radial-gradient(circle at 0% 50%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), radial-gradient(circle at 100% 100%, rgba(96, 16, 48, 0) 9px, #661133 10px, rgba(96, 16, 48, 0) 11px), none;
    background-position: 0 10px, 0 0%, 0 0;
    background-size: 20px 20px;
}

.pattern12{
    background-color: #330000;
    background-image: 
        -webkit-radial-gradient(#890000 4%, #5B0000 9%, rgba(102, 0, 0, 0) 9%), 
        -webkit-radial-gradient(#890000 4%, #5B0000 8%, rgba(102, 0, 0, 0) 10%), 
        -webkit-radial-gradient(rgba(153, 0, 0, 0.8) 20%, rgba(102, 0, 0, 0)), 
        -webkit-radial-gradient(rgba(153, 0, 0, 0.8) 20%, rgba(102, 0, 0, 0)), 
        -webkit-radial-gradient(#660000 35%, rgba(102, 0, 0, 0) 60%), 
        -webkit-radial-gradient(#660000 35%, rgba(102, 0, 0, 0) 60%), 
        -webkit-radial-gradient(rgba(76, 0, 0, 0.7), rgba(102, 0, 0, 0)), 
        -webkit-radial-gradient(rgba(76, 0, 0, 0.7), rgba(102, 0, 0, 0)), 
        -webkit-linear-gradient(45deg, rgba(102, 0, 0, 0) 49%, #000000 50%, rgba(102, 0, 0, 0) 70%), 
        -webkit-linear-gradient(135deg, rgba(102, 0, 0, 0) 49%, #000000 50%, rgba(102, 0, 0, 0) 70%);
    background-image: 
        radial-gradient(#890000 4%, #5B0000 9%, rgba(102, 0, 0, 0) 9%), 
        radial-gradient(#890000 4%, #5B0000 8%, rgba(102, 0, 0, 0) 10%), 
        radial-gradient(rgba(153, 0, 0, 0.8) 20%, rgba(102, 0, 0, 0)), radial-gradient(rgba(153, 0, 0, 0.8) 20%, rgba(102, 0, 0, 0)), 
        radial-gradient(#660000 35%, rgba(102, 0, 0, 0) 60%), 
        radial-gradient(#660000 35%, rgba(102, 0, 0, 0) 60%), 
        radial-gradient(rgba(76, 0, 0, 0.7), rgba(102, 0, 0, 0)), 
        radial-gradient(rgba(76, 0, 0, 0.7), rgba(102, 0, 0, 0)), 
        linear-gradient(45deg, rgba(102, 0, 0, 0) 49%, #000000 50%, rgba(102, 0, 0, 0) 70%), 
        linear-gradient(135deg, rgba(102, 0, 0, 0) 49%, #000000 50%, rgba(102, 0, 0, 0) 70%);
    background-position: 0 0px, 50px 50px, 50px 0px, 0 50px, 50px 0px, 100px 50px, 0 0px, 50px 50px, 0 0px, 0 0;
    background-size: 100px 100px;
}

.pattern13 {color:red;
    background-color: white;
    background-image: 
        -webkit-radial-gradient(gold 9px, transparent 10px), 
        -webkit-repeating-radial-gradient(gold 0px, gold 4px, transparent 5px, transparent 20px, gold 21px, gold 25px, transparent 26px, transparent 50px);
    background-image: 
    radial-gradient(gold 9px, transparent 10px), 
    repeating-radial-gradient(gold 0px, gold 4px, transparent 5px, transparent 20px, gold 21px, gold 25px, transparent 26px, transparent 50px);
    background-position: 0 0;
    background-size: 30px 30px, 90px 90px;
}

.pattern14 {color:red;
    background-color: lightgray;
    background-image: 
        -webkit-radial-gradient(black 15%, transparent 16%), 
        -webkit-radial-gradient(black 15%, transparent 16%), 
        -webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%), 
        -webkit-radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%);
    background-image: 
        radial-gradient(black 15%, transparent 16%), 
        radial-gradient(black 15%, transparent 16%), 
        radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%), 
        radial-gradient(rgba(255, 255, 255, 0.1) 15%, transparent 20%);
    background-position: 0 0px, 8px 8px, 0 1px, 8px 9px;
    background-size: 16px 16px;
}

.pattern15 {
    background-color: #BB0033;
    background-image: 
        -webkit-radial-gradient(closest-side circle at 60% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
        -webkit-radial-gradient(closest-side circle at 40% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
        -webkit-radial-gradient(closest-side circle at 40% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%),
         -webkit-radial-gradient(closest-side circle at 60% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%), 
         -webkit-radial-gradient(closest-side circle at 50% 35%, #DD3355 30%, rgba(221, 51, 85, 0) 31%), 
         -webkit-radial-gradient(closest-side circle at 60% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
         -webkit-radial-gradient(closest-side circle at 40% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
         -webkit-radial-gradient(closest-side circle at 40% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%), 
         -webkit-radial-gradient(closest-side circle at 60% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%), 
         -webkit-radial-gradient(closest-side circle at 50% 35%, #DD3355 30%, rgba(221, 51, 85, 0) 31%);
    background-image: 
        radial-gradient(closest-side circle at 60% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
        radial-gradient(closest-side circle at 40% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
        radial-gradient(closest-side circle at 40% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%),
        radial-gradient(closest-side circle at 60% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%), 
        radial-gradient(closest-side circle at 50% 35%, #DD3355 30%, rgba(221, 51, 85, 0) 31%), 
        radial-gradient(closest-side circle at 60% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
        radial-gradient(closest-side circle at 40% 43%, #BB0033 26%, rgba(187, 0, 51, 0) 27%), 
        radial-gradient(closest-side circle at 40% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%), 
        radial-gradient(closest-side circle at 60% 22%, #DD3355 45%, rgba(221, 51, 85, 0) 46%), 
        radial-gradient(closest-side circle at 50% 35%, #DD3355 30%, rgba(221, 51, 85, 0) 31%);
    background-position: 0 0%, 0 0%, 0 0%, 0 0%, 0 0%, 50px 50px, 50px 50px, 50px 50px, 50px 50px, 50px 50px;
    background-size: 100px 100px;
}
.pattern16 {
    background-color: lightgray;
    background-image:
        -webkit-repeating-linear-gradient(120deg, rgba(169,169,169,.4), rgba(255,255,255,.1) 1px, transparent 1px, transparent 60px),
        -webkit-repeating-linear-gradient(60deg, rgba(169,169,169,.4), rgba(255,255,255,.1) 1px, transparent 1px, transparent 60px),
        -webkit-linear-gradient(60deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1)),
        -webkit-linear-gradient(120deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1));
    background-image:
        repeating-linear-gradient(120deg, rgba(169,169,169,.8), rgba(169,169,169,.8) 1px, transparent 1px, transparent 60px),
        repeating-linear-gradient(60deg, rgba(169,169,169,.8), rgba(169,169,169,.8) 1px, transparent 1px, transparent 60px),
        linear-gradient(60deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1)),
        linear-gradient(120deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1));
    background-size: 70px 120px;
}
.pattern17 {
    background-image: 
        -webkit-radial-gradient( circle at 100% 50% , transparent 20%, rgba(255, 255, 255, 0.3) 21%, rgba(255, 255, 255, 0.3) 34%, transparent 35%, transparent),
        -webkit-radial-gradient( circle at 0% 50% , transparent 20%, rgba(255, 255, 255, 0.3) 21%, rgba(255, 255, 255, 0.3) 34%, transparent 35%, transparent);
    background-image: 
        radial-gradient(circle at 100% 50%, transparent 20%, rgba(255, 255, 255, 0.3) 21%, rgba(255, 255, 255, 0.3) 34%, transparent 35%, transparent), 
        radial-gradient( circle at 0% 50%, transparent 20%, rgba(255, 255, 255, 0.3) 21%, rgba(255, 255, 255, 0.3) 34%, transparent 35%, transparent);
    background-color: slategray;
    background-size:75px 100px;
  background-position: 0 0%, 0 -50px;
}

.pattern18{color:red;
  background-color: rgb(0,255,255,0.2);
  background-image: 
    -webkit-radial-gradient(circle at 50% 59%, white 3%, black 4%, black 11%, rgba(54, 78, 39, 0) 12%, rgba(54, 78, 39, 0)), 
    -webkit-radial-gradient(circle at 50% 41%, black 3%, white 4%, white 11%, rgba(210, 202, 171, 0) 12%, rgba(210, 202, 171, 0)), 
    -webkit-radial-gradient(circle at 50% 59%, white 3%, black 4%, black 11%, rgba(54, 78, 39, 0) 12%, rgba(54, 78, 39, 0)), 
    -webkit-radial-gradient(circle at 50% 41%, black 3%, white 4%, white 11%, rgba(210, 202, 171, 0) 12%, rgba(210, 202, 171, 0)), 
    -webkit-radial-gradient(circle at 100% 50%, white 16%, rgba(210, 202, 171, 0) 17%), 
    -webkit-radial-gradient(circle at 0% 50%, black 16%, rgba(54, 78, 39, 0) 17%), 
    -webkit-radial-gradient(circle at 100% 50%, white 16%, rgba(210, 202, 171, 0) 17%), 
    -webkit-radial-gradient(circle at 0% 50%, black 16%, rgba(54, 78, 39, 0) 17%);
  background-image: 
    radial-gradient(circle at 50% 59%, white 3%, black 4%, black 11%, rgba(54, 78, 39, 0) 12%, rgba(54, 78, 39, 0)), 
    radial-gradient(circle at 50% 41%, black 3%, white 4%, white 11%, rgba(210, 202, 171, 0) 12%, rgba(210, 202, 171, 0)), 
    radial-gradient(circle at 50% 59%, white 3%, black 4%, black 11%, rgba(54, 78, 39, 0) 12%, rgba(54, 78, 39, 0)), 
    radial-gradient(circle at 50% 41%, black 3%, white 4%, white 11%, rgba(210, 202, 171, 0) 12%, rgba(210, 202, 171, 0)), 
    radial-gradient(circle at 100% 50%, white 16%, rgba(210, 202, 171, 0) 17%), 
    radial-gradient(circle at 0% 50%, black 16%, rgba(54, 78, 39, 0) 17%), 
    radial-gradient(circle at 100% 50%, white 16%, rgba(210, 202, 171, 0) 17%), 
    radial-gradient(circle at 0% 50%, black 16%, rgba(54, 78, 39, 0) 17%);
  background-position: 50px 0px, 50px 0px, 0 50px, 0 50px, 0 0%, 0 0%, 50px 50px, 50px 50px;
  background-size: 100px 100px;
}

.pattern19 {
  background-color: #C8D3A7;
  background-image: 
    -webkit-radial-gradient(closest-side, transparent 0%, transparent 75%, #B6CC66 76%, #B6CC66 85%, #EDFFDB 86%, #EDFFDB 94%, #FFFFFF 95%, #FFFFFF 103%, #D9E6A7 104%, #D9E6A7 112%, #798B3C 113%, #798B3C 121%, #FFFFFF 122%, #FFFFFF 130%, #E0EAD7 131%, #E0EAD7 140%), 
    -webkit-radial-gradient(closest-side, transparent 0%, transparent 75%, #B6CC66 76%, #B6CC66 85%, #EDFFDB 86%, #EDFFDB 94%, #FFFFFF 95%, #FFFFFF 103%, #D9E6A7 104%, #D9E6A7 112%, #798B3C 113%, #798B3C 121%, #FFFFFF 122%, #FFFFFF 130%, #E0EAD7 131%, #E0EAD7 140%);
    background-image: 
        radial-gradient(closest-side, transparent 0%, transparent 75%, #B6CC66 76%, #B6CC66 85%, #EDFFDB 86%, #EDFFDB 94%, #FFFFFF 95%, #FFFFFF 103%, #D9E6A7 104%, #D9E6A7 112%, #798B3C 113%, #798B3C 121%, #FFFFFF 122%, #FFFFFF 130%, #E0EAD7 131%, #E0EAD7 140%), 
        radial-gradient(closest-side, transparent 0%, transparent 75%, #B6CC66 76%, #B6CC66 85%, #EDFFDB 86%, #EDFFDB 94%, #FFFFFF 95%, #FFFFFF 103%, #D9E6A7 104%, #D9E6A7 112%, #798B3C 113%, #798B3C 121%, #FFFFFF 122%, #FFFFFF 130%, #E0EAD7 131%, #E0EAD7 140%);
  background-position: 0 0px, 20px 20px;
  background-size: 40px 40px;
}
.pattern20 {
  background-color: #DDEEFF;
  background-image: 
    -webkit-radial-gradient(closest-side, transparent 98%, rgba(0, 0, 0, 0.3) 99%), 
    -webkit-radial-gradient(closest-side, transparent 98%, rgba(0, 0, 0, 0.3) 99%);
  background-image: 
    radial-gradient(closest-side, transparent 98%, rgba(0, 0, 0, 0.3) 99%), 
    radial-gradient(closest-side, transparent 98%, rgba(0, 0, 0, 0.3) 99%);
  background-position: 0 0px, 20px 20px;
  background-size: 40px 40px;
}
.pattern21 {background-color: #f76;
  background-image:
    linear-gradient(30deg, #fee 13.5%, transparent 13.5%, transparent 86.5%, #fee 86.5%),
    linear-gradient(-30deg, #fee 13.5%, transparent 13.5%, transparent 86.5%, #fee 86.5%),
    linear-gradient(30deg, #dcc 13.5%, transparent 13.5%, transparent 86.5%, #dcc 86.5%),
    linear-gradient(-30deg, #dcc 13.5%, transparent 13.5%, transparent 86.5%, #dcc 86.5%),
    linear-gradient(30deg, #fee 13.5%, transparent 13.5%, transparent 86.5%, #fee 86.5%),
    linear-gradient(-30deg, #fee 13.5%, transparent 13.5%, transparent 86.5%, #fee 86.5%),
    linear-gradient(30deg, #dcc 13.5%, transparent 13.5%, transparent 86.5%, #dcc 86.5%),
    linear-gradient(-30deg, #dcc 13.5%, transparent 13.5%, transparent 86.5%, #dcc 86.5%),
    linear-gradient(45deg, #544 25%, transparent 25%, transparent 75%, #544 75%),
    linear-gradient(45deg, #544 25%, transparent 25%, transparent 75%, #544 75%);
  background-position:
    0em 1em,
    0em 1em,
    1em 2em,
    1em 2em,
    2em 1em,
    2em 1em,
    3em 2em,
    3em 2em,
    0em 0em,
    1em 1em;
  background-size:
    4em 2em,
    4em 2em,
    4em 2em,
    4em 2em,
    4em 2em,
    4em 2em,
    4em 2em,
    4em 2em,
    2em 2em,
    2em 2em;
}       
    </style>
    <div class="divDP pattern1">pattern 1</div>
    <div class="divDP pattern2">pattern 2</div>
    <div class="divDP pattern3">pattern 3</div>
    <div class="divDP pattern4">pattern 4</div>
    <div class="divDP pattern5">pattern 5</div>
    <div class="divDP pattern6">pattern 6</div>
    <div class="divDP pattern7">pattern 7</div>
    <div class="divDP pattern8">pattern 8</div>
    <div class="divDP pattern9">pattern 9</div>
    <div class="divDP pattern10">pattern 10</div>
    <div class="divDP pattern11">pattern 11</div>
    <div class="divDP pattern12">pattern 12</div>
    <div class="divDP pattern13">pattern 13</div>
    <div class="divDP pattern14">pattern 14</div>
    <div class="divDP pattern15">pattern 15</div>
    <div class="divDP pattern16">pattern 16</div>
    <div class="divDP pattern17">pattern 17</div>
    <div class="divDP pattern18">pattern 18</div>
    <div class="divDP pattern19">pattern 19</div>
    <div class="divDP pattern20">pattern 20</div>
    <div class="divDP pattern21">pattern 21</div>

Edit

#ccs #HTML #background-image:url #background-size #background-position #background-repeat #background-color #Background Patterns #ccs background

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