header {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    background-color: #90ee90;
    font-size: 24px;
    border: 5px solid green
}
.da>a {
    margin: 10px;
    position: relative;
    bottom: 40px;
}
body {
    background-size: 100%;
    background-attachment: fixed;
}
.info {
    position: absolute;
    top: 25px;
    left: 80%;
}
.content{
    margin-top: 130px;
    font-size: 16px;
    width: 700px;
    overflow-wrap: break-word;
    
}
.separation{
    background-color: #90ee90;
    margin: 10px;
    padding: 1px;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.new_article{
    font-size: 24px;
    padding: 10px;
    position: fixed;
    top: 170px;
    right: 50px;
    width: 230px;
    height: 60px;
    background-color: #90ee90;
    border: 5px solid green;  
}
.doc{
    background-color: #90ee90;
    margin: 10px;
    padding: 1px;
    display: -webkit-box;
    -webkit-line-clamp: 24;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}