.download ul li{
    padding: 32px 0 27px 0;
    border-bottom: 1px solid #f6f6f6;
    line-height: 64px;
}
.download ul li>img{
    margin-right: 70px;
}
.download ul li a{
    width: 163px;
    height: 34px;
    background: #000;
    border:1px solid #000;
    color: #ffffff;
    display:block;
    text-align:center;
    line-height:34px;
    transition:all 500ms linear 0s;
    margin-top: 15px;
    font-family: "Courier New";
    vertical-align: middle;
}
.download ul li a:hover{
    background: #ffffff;
}
.download ul li a:hover{
    color: #000;
}