@charset"UTF-8";
.back{
    border: 1px solid #000;
    width: 11em;
    margin: 1em auto;
    text-align: center;
/*    margin-top: 1em;*/
}
.back a{
  padding: 5px 10px; 
    text-decoration: none;
    display: block;
    background-color: brown;
    color: white;
}
.back a:hover{
   text-decoration:underline;
    background-color: blanchedalmond;
    color: #333;
}