.msu-modal {
   /* The Modal background */
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.notused-msu-modal-content-notused {
    background-color: #fff;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 15px;
    border: 2px solid #660000;
    width: 50%; /* Could be more or less, depending on screen size */
}

.msu-modal-content {
    background-color: #fff;
    position:relative; top:100px;
    margin-left:auto; 
    margin-right:auto; 
    text-align:center;
    padding: 2px;
    border: 2px solid #660000;
    width: 50%; /* Could be more or less, depending on screen size */
}

.msu-modal-header {
   text-align:center;
   width:100%;
   background-color:#944D4D;
   color:#fff;
   padding:5px;
   font-size:110%;
}

/* The Close Button */
.msu-modal-close {
   width:100%;
   border-top:1px solid #ddd;
   padding:15px;
}