css格式问题_html/css_WEB-ITnose
- WBOY原创
- 2016-06-21 09:20:22853浏览
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style type="text/css">#class3{ width:900px; margin-left:auto; margin-right:auto; position:relative; background-color:#099; margin-top:150px; }#class3 ul{ width:800px; height:30px; background-color:#936; margin-left:auto; margin-right:auto; position:relative; } #class3 li{ list-style-type: none; width: 100px; position:relative; margin-top:10px; float:left; background-color:#3F0; margin-right:10px; text-align:center; } #class2{ width:900px; margin-left:auto; margin-right:auto; position:relative; background-color:#099; height:50px; } #class2 li .01{ list-style-type: none; position: absolute; left: 670px; top: 23px;} .02{ list-style-type: none; position: absolute; left: 365px; top: 30px;}.03{ list-style-type: none; position: absolute; left: 308px; top: 30px;}.04{ list-style-type: none; position: absolute; left: -232px; top: 30px; } .05{ list-style-type: none; position: absolute; left: 201px; top: 30px;}.06{ list-style-type: none; position: absolute; left: 252px; top: 30px;}.07{ list-style-type: none; position: absolute; left: -97px; top: 28px;}</style></head><body><div id="class2"><ul><li class="01">横排</li><li class="02">横排</li><li class="03">横排</li><li class="04">横排</li><li class="05">横排</li><li class="06">横排</li><li class="07">横排</li></ul></div><div id="class3"><ul><li>横排</li><li>横排</li><li>横排</li><li>横排</li><li>横排</li><li>横排</li><li>横排</li></ul></div></body></html> .07{ list-style-type: none; position: absolute; left: -97px; top: 28px;} IE8浏览器为什么设置了类中的位置会无效，还是原来那样
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style type="text/css">#box06 { position:relative; width: 500px; height: 100px; top:50%; left:50%; margin-left:-250px; margin-top:-50px; background-color:#F39;} #box07 { position:absolute; width: 300px; height: 30px; background-color:#0F0; left:50%; top:50%; margin-left:-150px; margin-top:-15px;} #box08 { position:absolute; width: 300px; height: 30px; background-color:#0Ff; left:30px; top:50%;}.nav{ width:500px; background-color:#000;}.nav li{width:80px;float:left;list-style:none;display:inline;background:#0F0;text-align:center;margin-right:10px;}</style></head><body><div class="nav"><ul><li>横排</li><li>横排</li><li>横排</li></ul></div><div> DIV1 </div><div> DIV2 </div><div style= "display:inline "> DIV1 </div><div style= "display:inline "> DIV2 </div><span>DIVCSS!</span> <span>DIVCSS5 </span> <span style= "display:block "> SPAN1 </span><span style= "display:block "> SPAN2 </span><div id="box06"> <div id="box07">box07</div> <div id="box08">box08</div></div></body></html> .nav{ width:500px; background-color:#000;} 2、为什么类nav的这个黑色背景色出不来？
回复讨论(解决方案)
1class不要数字开头
2清除float
<div class="nav"><ul><li>横排</li><li>横排</li><li>横排</li> </ul> <div style="clear:both;"></div></div>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style type="text/css">#class3{ width:900px; margin-left:auto; margin-right:auto; position:relative; background-color:#099; margin-top:150px; }#class3 ul{ width:800px; height:30px; background-color:#936; margin-left:auto; margin-right:auto; position:relative; } #class3 li{ list-style-type: none; width: 100px; position:relative; margin-top:10px; float:left; background-color:#3F0; margin-right:10px; text-align:center; } #class2{ width:100px; margin-left:auto; margin-right:auto; position:relative; background-color:#099; height:50px; } #class2 .c01{ list-style-type: none; position: absolute; left: 422px; top: 15px; width: 60px;} .c02{ list-style-type: none; position: absolute; left: 365px; top: 15px; width: 60px;}.c03{ list-style-type: none; position: absolute; left: 82px; bottom: 0px; right: 99px; top: 15px; height: 31px; width: 58px; top: 15px;}.c04{ list-style-type: none; position: absolute; left: -232px; top: 30px; top: 15px; } .c05{ list-style-type: none; position: absolute; left: 162px; top: 15px; width: 60px; height: 32px;}.c06{ list-style-type: none; position: absolute; left: 252px; top: 15px; width: 60px;}.c07{ list-style-type: none; position: absolute; left: -97px; top: 15px; width: 60px;}</style></head><body><div id="class2"><ul><li class="c01">横1排</li><li class="c02">横2排</li><li class="c03">横3排</li><li class="c04">横4排</li><li class="c05">横5排</li><li class="c06">横6排</li><li class="c07">横7排</li></ul></div><div id="class3"><ul><li>横排</li><li>横排</li><li>横排</li><li>横排</li><li>横排</li><li>横排</li><li>横排</li></ul></div></body></html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style type="text/css">#box06 { position:relative; width: 500px; height: 100px; top:50%; left:50%; margin-left:-250px; margin-top:-50px; background-color:#F39;} #box07 { position:absolute; width: 300px; height: 30px; background-color:#0F0; left:50%; top:50%; margin-left:-150px; margin-top:-15px;} #box08 { position:absolute; width: 300px; height: 30px; background-color:#0Ff; left:30px; top:50%;}.nav{ width:500px; background-color:#000;}.nav li{width:80px;float:left;list-style:none;display:inline;background:#0F0;text-align:center;margin-right:10px;}</style></head><body><div class="nav"><ul><li>横排</li><li>横排</li><li>横排</li></ul> <div style="clear:both;"></div></div><div> DIV1 </div><div> DIV2 </div><div style= "display:inline "> DIV1 </div><div style= "display:inline "> DIV2 </div><span>DIVCSS!</span> <span>DIVCSS5 </span> <span style= "display:block "> SPAN1 </span><span style= "display:block "> SPAN2 </span><div id="box06"> <div id="box07">box07</div> <div id="box08">box08</div></div></body></html> 声明：
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