li.accli{
    float: left;
    margin: 0 5px 20px;
    width: calc(100% / 4 - 10px);
}
div.accd{
    position: relative;
    margin: 0 auto;
    width: 100%;
    max-width: 416px;
}
a.acca{
    display: block;
    padding: 7px;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 3px;
}
a.acca:hover{
    border: 1px solid #369;
}
img.accimg{
    width: 100%;
    max-width: 400px;
}
div.acctd{
    position: absolute;
    width: 100%;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #000;
    font-size: 18px;
}
@media (max-width: 1400px) {
    li.accli{
        width: calc(100% / 3 - 10px);
    }
}
@media (max-width: 900px) {
    li.accli{
        width: calc(50% - 10px);
    }
}
@media (max-width: 600px) {
    li.accli{
        width: calc(100% - 10px);
    }
}