#mccom-welcome-bar {
    background-color:#f2cb03;
    color:#000;
    padding:10px 30px;
    text-align:center;
    z-index:999; 
    font-weight:bold;
    position:fixed;
    font-size:12px;
    top:75px;
    right:0px; 
}

@media only screen and (max-width: 600px) {
  #mccom-welcome-bar {
    display: none;
  }
}