.header_user_info {
  float: right;
}
  .header_user_info a {    
    font-weight: bold;
    display: block;
    
    cursor: pointer;
    line-height: 18px; 
}
    @media (max-width: 479px) {
      .header_user_info a {
        font-size: 11px; } 
    }