.ys5 li{
    width: 210px;
    display:  inline-block;
    text-align:  center;}

.ys5 li a {
    display:  block;
    margin:  10px;
    line-height: 40px;
    border: solid 1px #ddd;
    border-radius:  5px;
    transition: all 0.2s;
    background: url(images/bg2.png);}
.ys5 li:hover a{
    background: #77b0fd;
    color:  #fff;
    border-color:  #77b0fd;}