.main {
    width:100%;
    margin: 0 auto;
    zoom: 1;
}

* {
    margin: 0;
    padding: 0;
}

div {
    display: block;
}
a  {
    text-decoration:none;
    color: #333;
}

a:hover{
    text-decoration:none;
}
ul, ol, li {
    list-style: none;
}
li {
    display: list-item;
    text-align: -webkit-match-parent;
}
.index_h1 {
    height: 40px;
    border-bottom: 1px solid #ddd;
}
.index_h1 .tt {
    display: block;
    color: #333;
    font: 400 20px/40px Arial,"微软雅黑";
    float: left;
    width: 100px;
    border-bottom: 1px solid #4593fd;
}
.ebook_list {
    border: 1px solid #e9e9e9;
    border-top: none;
    overflow: hidden;
}
.ebook_list li {
    width: 150px;
    height: 220px;
    float: left;
    margin-left:15px;
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
}

.ebook_list li img {
    margin: 5px auto ;
    width: 127px;
    height: 175px;
    display: block;
}
ul, menu, dir {
    display: block;
    -webkit-margin-after: 1em;
    -webkit-margin-start: 0px;
    -webkit-margin-end: 0px;
}
.h8 {
    clear: both;
    height: 8px;
}
.pub{
    text-align: center;
    display: block;
    width: 150px;
    font-size:15px;
}