.a8 {
    margin-top: -10px;
}

.a8 li {
    padding: 10px;
}

.a8 li a {
    display: table;
    table-layout: fixed;
    width: 100%;
    height: 80px;
    padding: 0 20px;
    line-height: 1.5;
    font-weight: bold;
    font-size: 18px;
    background-color: #f5f5f5;
    border-radius: 4px;
    transition: background-position .3s;
}

.a8 li a:hover {
    background: #1c60ad  100% 100% no-repeat;
    background-image: url(../images/a8_ie8.jpg)\0;
    background-size: auto 100%;
    color: #fff;
}

.a8 li a span {
    display: table-cell;
    vertical-align: middle;
}
.t4 b {
    display: inline-block;
    margin-left: -15px;
    padding: 0 30px;
    color: #2d8fff;
    font-size: 22px;
    line-height: 46px;
    background-color: #fff;
    margin-top: -20px;
}
.t4 {
    position: relative;
    line-height: 46px;
    height: 46px;
    padding: 0px;
    text-align: center;
    margin: 0px 0px 20px 0px;
    background: url(../images/line.jpg) 0px 50% repeat-x;
}