.box-call {
  position: relative;
}
.phone-btn {
  position: fixed;
  z-index: 999;
  bottom: 50px;
  right : 50px;
  width: 6em;
  height: 6em;
  padding: 1.5em;
  border-radius: 50%;
  border: none;
  box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 3em #2296f4, 0 0 0 0 rgba(34, 150, 244, 0.25);
  background-color: #3da3f6;
  -webkit-animation: scaleUp 2s infinite, borderScale 2s infinite;
          animation: scaleUp 2s infinite, borderScale 2s infinite;
}
.phone-btn > svg {
  width: 100%;
  height: 100%;
  fill: #fff;
  -webkit-animation: shake 2s cubic-bezier(0.43, 0, 0.6, 0.4) infinite;
          animation: shake 2s cubic-bezier(0.43, 0, 0.6, 0.4) infinite;
}

@-webkit-keyframes borderScale {
  0% {
    box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 3em #2296f4, 0 0 0 0 rgba(34, 150, 244, 0.25);
  }
  50% {
    box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 0.5em #2296f4, 0 0 0 0 rgba(34, 150, 244, 0.25);
  }
  100% {
    box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 3em #2296f4, 0 0 0 3em rgba(34, 150, 244, 0);
  }
}

@keyframes borderScale {
  0% {
    box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 3em #2296f4, 0 0 0 0 rgba(34, 150, 244, 0.25);
  }
  50% {
    box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 0.5em #2296f4, 0 0 0 0 rgba(34, 150, 244, 0.25);
  }
  100% {
    box-shadow: 0 0.125em 0.5em #aaa, inset 0 0 0 3em #2296f4, 0 0 0 3em rgba(34, 150, 244, 0);
  }
}
@-webkit-keyframes scaleUp {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.125);
  }
  60% {
    transform: scale(1);
  }
}
@keyframes scaleUp {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.125);
  }
  60% {
    transform: scale(1);
  }
}
@-webkit-keyframes shake {
  0% {
    transform: translate(0, 0);
  }
  1.25% {
    transform: translate(-2.5%, 0);
  }
  2.5% {
    transform: translate(0, 0);
  }
  3.75% {
    transform: translate(2.5%, 0);
  }
  5% {
    transform: translate(0, 0);
  }
  6.25% {
    transform: translate(-5%, 0);
  }
  7.5% {
    transform: translate(0, 0);
  }
  8.75% {
    transform: translate(5%, 0);
  }
  10% {
    transform: translate(0, 0);
  }
  11.25% {
    transform: translate(-5%, 0);
  }
  12.5% {
    transform: translate(0, 0);
  }
  13.75% {
    transform: translate(5%, 0);
  }
  15% {
    transform: translate(0, 0);
  }
  16.25% {
    transform: translate(-7.5%, 0);
  }
  17.5% {
    transform: translate(0, 0);
  }
  18.75% {
    transform: translate(7.5%, 0);
  }
  20% {
    transform: translate(0, 0);
  }
  21.25% {
    transform: translate(-7.5%, 0);
  }
  22.5% {
    transform: translate(0, 0);
  }
  23.75% {
    transform: translate(7.5%, 0);
  }
  25% {
    transform: translate(0, 0);
  }
  26.25% {
    transform: translate(-7.5%, 0);
  }
  27.5% {
    transform: translate(0, 0);
  }
  28.75% {
    transform: translate(7.5%, 0);
  }
  30% {
    transform: translate(0, 0);
  }
  31.25% {
    transform: translate(-7.5%, 0);
  }
  32.5% {
    transform: translate(0, 0);
  }
  33.75% {
    transform: translate(7.5%, 0);
  }
  35% {
    transform: translate(0, 0);
  }
  36.25% {
    transform: translate(-7.5%, 0);
  }
  37.5% {
    transform: translate(0, 0);
  }
  38.75% {
    transform: translate(7.5%, 0);
  }
  40% {
    transform: translate(0, 0);
  }
  41.25% {
    transform: translate(-7.5%, 0);
  }
  42.5% {
    transform: translate(0, 0);
  }
  43.75% {
    transform: translate(7.5%, 0);
  }
  45% {
    transform: translate(0, 0);
  }
  46.25% {
    transform: translate(-7.5%, 0);
  }
  47.5% {
    transform: translate(0, 0);
  }
  48.75% {
    transform: translate(7.5%, 0);
  }
  50% {
    transform: translate(0, 0);
  }
}
@keyframes shake {
  0% {
    transform: translate(0, 0);
  }
  1.25% {
    transform: translate(-2.5%, 0);
  }
  2.5% {
    transform: translate(0, 0);
  }
  3.75% {
    transform: translate(2.5%, 0);
  }
  5% {
    transform: translate(0, 0);
  }
  6.25% {
    transform: translate(-5%, 0);
  }
  7.5% {
    transform: translate(0, 0);
  }
  8.75% {
    transform: translate(5%, 0);
  }
  10% {
    transform: translate(0, 0);
  }
  11.25% {
    transform: translate(-5%, 0);
  }
  12.5% {
    transform: translate(0, 0);
  }
  13.75% {
    transform: translate(5%, 0);
  }
  15% {
    transform: translate(0, 0);
  }
  16.25% {
    transform: translate(-7.5%, 0);
  }
  17.5% {
    transform: translate(0, 0);
  }
  18.75% {
    transform: translate(7.5%, 0);
  }
  20% {
    transform: translate(0, 0);
  }
  21.25% {
    transform: translate(-7.5%, 0);
  }
  22.5% {
    transform: translate(0, 0);
  }
  23.75% {
    transform: translate(7.5%, 0);
  }
  25% {
    transform: translate(0, 0);
  }
  26.25% {
    transform: translate(-7.5%, 0);
  }
  27.5% {
    transform: translate(0, 0);
  }
  28.75% {
    transform: translate(7.5%, 0);
  }
  30% {
    transform: translate(0, 0);
  }
  31.25% {
    transform: translate(-7.5%, 0);
  }
  32.5% {
    transform: translate(0, 0);
  }
  33.75% {
    transform: translate(7.5%, 0);
  }
  35% {
    transform: translate(0, 0);
  }
  36.25% {
    transform: translate(-7.5%, 0);
  }
  37.5% {
    transform: translate(0, 0);
  }
  38.75% {
    transform: translate(7.5%, 0);
  }
  40% {
    transform: translate(0, 0);
  }
  41.25% {
    transform: translate(-7.5%, 0);
  }
  42.5% {
    transform: translate(0, 0);
  }
  43.75% {
    transform: translate(7.5%, 0);
  }
  45% {
    transform: translate(0, 0);
  }
  46.25% {
    transform: translate(-7.5%, 0);
  }
  47.5% {
    transform: translate(0, 0);
  }
  48.75% {
    transform: translate(7.5%, 0);
  }
  50% {
    transform: translate(0, 0);
  }
}