/* CSSコード */
a {
display: inline-block;
color: rgba(152, 152, 152, 0.43);
width: 150px;
height: 150px;
line-height: 150px;
font-size: 20px;
border-radius: 50%;
text-align: center;
overflow: hidden;
font-weight: bold;
background-image: linear-gradient(#e8e8e8 0%, #d6d6d6 100%);
text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.66);
box-shadow: inset 0 2px 0 rgba(255,255,255,0.5), 0 2px 2px rgba(0, 0, 0, 0.19);
border-bottom: solid 2px #b5b5b5;
}
a:active {
box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 2px 2px rgba(0, 0, 0, 0.19);
border-bottom: none;
}
}