.popupmessage-panel {
    padding: 0%;
    box-sizing: border-box;
    margin: auto;

}
.popupmessage {
    box-sizing: border-box;
    background-color: #555;
    border:solid 2px #FFF;
    border-radius: 0;
    color:#FFFFFF;
    padding: 10px;
    text-align:center;
}

.popupmessage p, .popupmessage h1, .popupmessage h2, .popupmessage h3 {
 text-align:center;
 color:#FFFFFF;
 margin:15px auto;
}
.popupmessage h1 {
 font-size:16pt;
}
.popupmessage .column {
 text-align:center;
}
.popupmessage .button {font-size:11pt;margin:0 auto;padding:5px 15px;}
.popupmessage .fa.fa-window-close {font-size:18pt;float:right;color:#999;}

@media only screen and (min-width: 100px) and (max-width: 767px) {
  .popupmessage-panel {
    width: 90%;
    margin:20% auto;
   }
}