.comment {
   resize: both;
   font-size: 14pt;
   font-family: Arial;
   height: 200px;
   width: 665px;
}
.log-iframe {
   resize: both;
   height: 200px;
   width: 665px;
}
.button-link {
   font-size: 14pt;
   font-family: Arial;
   text-align: center;
   display: inline-block;
   color: #FFF;
   background-color: #4CAF50;
   border: none;
   padding: 10px 20px;
   text-decoration: none;
   cursor: pointer;
   border-radius: 4px;
   margin-left: 40px;
   }
   .button-link:hover {
      background-color: #45a049;
      background-color: #45a049;
}
.loader {
   border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
   0% { transform: rotate(0deg); }
   100% { transform: rotate(360deg); }
}