a, 
canvas{
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  font-size: 100%;
}
  .callling {
    position: relative;
    
    text-align: center;
    cursor: pointer;
}
.inner_calling {
    position: absolute;
    left: 8px;
    top: 7px;
}
.callling {
    animation: bounce 1s infinite alternate;
    -webkit-animation: bounce 1s infinite alternate;
}

.heloo {
    display: inline-block;
    position: fixed;
    bottom: 0%;
    right: 1%;
    z-index: 999999;
}
 
   @keyframes bounce {
       
       0% {
    transform: translateY(0px);
     }
     
     100% {
    transform: translateY(-15px);
    box-shadow: 0 0 0px 0px #5193c5d1;
  }  
       
   }