.icon-size-12 {
cursor: pointer;
width: 16px;
height: 16px;
margin: 22px 30px 0 0;
background-position: center;
background-repeat: no-repeat;
float: right;
//小圆点
&.unread {
position: relative;
&:after {
content: ' ';
position: absolute;
right: -4px;
top: -2px;
width: 8px;
height: 8px;
background-color: red;
border-radius: 4px;
}
}
}
