Pulse Effect

Code Example

 <style>
  .pulse {
   background: rgb(177, 6, 6);
   border-radius: 50%;
   margin: 10px auto;
   height: 20px;
   width: 20px;
   box-shadow: 0 0 0 0 rgb(177, 6, 6);
   transform: scale(1);
   animation: pulse 2s infinite;
   float: none;
   text-align: center;}

  @keyframes pulse {
   0% {
   transform: scale(0.95);
   box-shadow: 0 0 0 0 rgba(177, 6, 6, 0.7);}

   70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(177, 6, 6, 0);}

   100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(177, 6, 6, 0);}
   }
 </style>