JSFiddle - React, Tailwind, and code Playground
by gotoworks510
HTML
<div class="box">
影とか付けてみたりな
<a href="http://net.tutsplus.com/tutorials/html-css-techniques/quick-tip-getting-clever-with-css3-shadows/">ちなみにこの方法はtuts+さんで知りました。</a>
</div>
CSS
body{
background:#eee;
}
.box {
width:300px;
height:300px;
position: relative;
-webkit-box-shadow: 1px 2px 4px rgba(0,0,0,.5);
-moz-box-shadow: 1px 2px 4px rgba(0,0,0,.5);
box-shadow: 1px 2px 4px rgba(0,0,0,.5);
padding: 10px;
background: white;
margin:40px;
}
.box:after {
content: '';
-webkit-box-shadow: 100px 0 10px 20px rgba(0,0,0,.2);
-moz-box-shadow: 100px 0 10px 20px rgba(0,0,0,.2);
box-shadow: 100px 0 10px 20px rgba(0,0,0,.2);
position: absolute;
width: 50%;
height: 40px;
bottom: 20px;
right: 90px;
z-index: -1;
-webkit-transform: skew(-40deg);
-moz-transform: skew(-40deg);
-ms-transform: skew(-40deg);
transform: skew(-40deg);
}