* {
  /* border: 1px solid red;*/
}

:root {
  --darCallBgColor: #10b418;
  --darCallColor: #fff;
}

.dar-call-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  right: 30px;
  bottom: 30px;
}

.dar-btn {
  position: fixed;
  right: 45px;
  bottom: 30px;

  display: inline-block;
  padding: 25px; /* make larger p:15px*/
  background-color: var(--darCallBgColor);
  cursor: pointer;
  outline: none;
  border: 0;
  vertical-align: middle;
  text-decoration: none;
  color: var(--darCallColor);
  border-radius: 25px;
  -webkit-transition: width 0.5s;
  transition: width 0.5s;
}

.dar-btn-icon {
  right: 30px;
  bottom: 30px;
  width: 90px; /* make larger w:60px*/
  height: 90px; /* make larger h:60px*/
  background: var(--darCallBgColor);
  position: fixed;
  text-align: center;
  color: var(--darCallColor);
  cursor: pointer;
  border-radius: 50%;
  z-index: 99;
  display: inline-block;
  line-height: 85px; /* make larger lh: 65px*/
  font-size: 35px; /* make larger fs: 25px*/
  font-weight: 900;
}

.dar-btn-icon::before {
  position: absolute;
  content: " ";
  z-index: -1;
  top: -15px;
  left: -15px;
  background-color: var(--darCallBgColor);
  width: 120px; /* make larger w:80px*/
  height: 120px; /* make larger w:80px*/
  border-radius: 100%;
  animation-fill-mode: both;
  -webkit-animation-fill-mode: both;
  opacity: 0.6;
  -webkit-animation: pulse 1s ease-out;
  animation: pulse 1.8s ease-out;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}

.dar-btn .dar-btn-text {
  width: 0;
  display: inline-block;
  -webkit-transition: color 2s;
  transition: color 2s;
  vertical-align: top;
  white-space: nowrap;
  overflow: hidden;
  color: var(--darCallBgColor);
  line-height: 30px;
  text-indent: 35px;
  font-size: 30px;
  /* padding-right: 40px;*/ /* right side*/
}

.dar-btn-text::after {
  content: " ----- ";
  width: 50px;
  color: var(--darCallBgColor);
}
.dar-btn:hover .dar-btn-text {
  width: auto;
  color: var(--darCallColor);
}

@-webkit-keyframes pulse {
  0% {
    -webkit-transform: scale(0);
    opacity: 0;
  }
  25% {
    -webkit-transform: scale(0.3);
    opacity: 1;
  }
  50% {
    -webkit-transform: scale(0.6);
    opacity: 0.6;
  }
  75% {
    -webkit-transform: scale(0.9);
    opacity: 0.3;
  }
  100% {
    -webkit-transform: scale(1);
    opacity: 0;
  }
}

@keyframes pulse {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  25% {
    transform: scale(0.3);
    opacity: 1;
  }
  50% {
    transform: scale(0.6);
    opacity: 0.6;
  }
  75% {
    transform: scale(0.9);
    opacity: 0.3;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}