/* Комментарий к CSS */
.header_name {
 font-size: 20px; 
 text-align: left;
 font-weight: bold;
}
.displayed {
    display: block;
    margin-left: auto;
    margin-right: auto }
.ssilka {
    border:1px solid #ccc;
    background:#eaeaea;
    padding: .2em .75em;
    text-decoration: none;
}