.htmleaf-container{
    width: 100%;
    margin-top: 25px;
}
.wall{
    width: 1200px;
    margin: 0 auto;
}
.wall::after{
    content: '';
    display: block;
    clear: both;
    height: 0;
}
.htmleaf-container .wall .article{
    width: 20%;
    float: left;
    cursor: pointer;
    box-sizing: border-box;
    padding: 6px 12px;
}
.htmleaf-container .wall .article img{
    width: 100%;
}

.htmleaf-container .wall .article h2{
    width: 100%;
    font-size: 12px;
}