✍ 📁 🙈 🙉 🙊 : CSS background 背景

CSS background 背景

</style>

<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>

#html CSS background 背景 #html CSS background-size #html CSS background-position #html CSS background-repeat #html CSS background-color

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