.auth {

}
.auth a {
    margin: 1px;
    text-align: right;
    width: 100%;
    display: block;
    font-size: 1.1em;
    font-weight: bold;
    color: yellow;
    float: right;
    margin-right: 20px;
    text-decoration: none;
}

.auth a:hover {
    color: red;
    text-decoration: underline;
}