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所有其他div設置均可使用，但使用類.l100和.p100時，圖像不顯示。Div將不會顯示在帶ID的div中100％寬度#portofolio
我試圖重新安排換了別人後.l100和.p100的風格，但它使.l75和.p75 dissapear ...
任何人可以幫助這一點，下面的代碼：
* {
\t margin: 0px;
\t padding: 0px;
}
#portofolio {
\t width: 80%;
\t margin: auto;
}
.image {
\t background-size: cover;
\t background-repeat: no-repeat;
\t background-position:center;
\t
\t position: relative;
\t
\t margin-bottom: 1%;
\t margin-right: 1%;
\t box-sizing: border-box;
\t
\t /*-webkit-box-shadow: 10px 10px 58px -20px rgba(0,0,0,0.75);
\t -moz-box-shadow: 10px 10px 58px -20px rgba(0,0,0,0.75);
\t box-shadow: 10px 10px 58px -20px rgba(0,0,0,0.75);*/
\t
\t float: left;
}
//portrait
.p100 {
\t width: 99%;
\t padding-bottom: 177.77%; \t
\t margin-right: 0%;
}
.p75 {
\t width: 74%;
\t padding-bottom: 133.33%; \t
}
.p50 {
\t width: 49%;
\t padding-bottom: 88.88%; \t
}
.p25 {
\t width: 24%;
\t padding-bottom: 42.1%; \t
}
//landscape
.image.l100 {
\t width: 99%;
\t padding-bottom: 56.25%;
\t \t
}
.l75 {
\t width: 74%;
\t padding-bottom: 42.1875%;
}
.l50 {
\t width: 49%;
\t padding-bottom: 28.125%;
}
.l25 {
\t width: 24%;
\t padding-bottom: 14.0625%;
}<div id="wrapper">
<div id="header"></div>
<div id="portofolio">
<!--<div style="width: 100%; height: 400px; overflow-y: hidden; overflow-x:visible;margin-bottom: 2vh;">-->
<div class="image p25" style="background-image: url(https://image.ibb.co/jJ4rNF/g7_XLRx_E2_crop.jpg);"></div><!--https://image.ibb.co/cdpKba/g7XLRxE.jpg-->
<div class="image l75" style="background-image: url(https://image.ibb.co/dVGMpv/329_Flower.jpg);"></div><!--</div>-->
<div class="image l50" style="background-image: url(https://image.ibb.co/dgwkhF/20170501_135937_DARKER_CROPPED.jpg);"></div>
<div class="image l50" style="background-image: url(https://image.ibb.co/h1WPba/ezgif_com_crop_PROBABLY_THE_BEST.gif);"></div>
<div class="image l100" style="background-image: url(https://image.ibb.co/fJL4ba/20170604_222345.jpg);"></div>
</div>
</div>
參見https://stackoverflow.com/questions/11218808/do-double-forward-slashes-direct-ie-to-使用特定CSS的答案＃，11218889 – mindlis