.div-heartbeat {
   margin: 0;
   padding: 8px 15px;
   text-align: center;
   color: #AA112C;
}

.img-heartbeat {
   margin: 0;
   padding: 0 15px 0 0;
   border: 0;
}

.hide-heartbeat {
   display: none;
}

.show-heartbeat {
   display: block;
}