.info_block {
   display: none;
   height: 50px;
   width: 400px;
   color: white;
   font-size: 20px;
   padding: 20px;
   text-align: center;
}

.green {
   display: block;
   background-color: green;
}

.red {
   display: block;
   background-color: red;
}