.circleMar {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  background-color: red;
  position: relative;
  -webkit-transition: height .25s ease, width .25s ease;
  transition: height .25s ease, width .25s ease;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
/* 
.circleMar:hover {
  height: 150px;
  width: 150px;
} */

.circleMar:before, .circleMar:after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  border: 1px solid red;
}

.circleMar:before {
  -webkit-animation: ripple 2s linear infinite;
  animation: ripple 2s linear infinite;
}

.circleMar:after {
  -webkit-animation: ripple 2s linear 1s infinite;
  animation: ripple 2s linear 1s infinite;
}

/* .circleMar:hover:before, .circleMar:hover:after {
  -webkit-animation: none;
  animation: none;
} */

@-webkit-keyframes ripple {
  0% {
    -webkit-transform: scale(1);
  }
  75% {
    -webkit-transform: scale(1.75);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(2);
    opacity: 0;
  }
}

@keyframes ripple {
  0% {
    transform: scale(1);
  }
  75% {
    transform: scale(1.75);
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}