.button-collision:before,
.button-collision:after {
  z-index: -1;
}
.button-collision {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  height: 60px;
  max-width: 150px;
  margin: 1rem auto;
  padding: 1rem;
  text-transform: uppercase;
  border: 1px solid #1A237E;
  border-radius: 6px;
  color: #1A237E;
  z-index: 1;
}

@-webkit-keyframes criss-cross-left {
  0% {
    left: -20px;
  }
  50% {
    left: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    left: 50%;
    width: 375px;
    height: 375px;
  }
}

@keyframes criss-cross-left {
  0% {
    left: -20px;
  }
  50% {
    left: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    left: 50%;
    width: 375px;
    height: 375px;
  }
}
@-webkit-keyframes criss-cross-right {
  0% {
    right: -20px;
  }
  50% {
    right: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    right: 50%;
    width: 375px;
    height: 375px;
  }
}
@keyframes criss-cross-right {
  0% {
    right: -20px;
  }
  50% {
    right: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    right: 50%;
    width: 375px;
    height: 375px;
  }
}

.button-collision:before, .button-collision:after {
  position: absolute;
  top: 50%;
  content: '';
  width: 20px;
  height: 20px;
  background-color: #1b2576;
  border-radius: 50%;
}
.button-collision:before {
  left: -20px;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}
.button-collision:after {
  right: -20px;
  -webkit-transform: translate(50%, -50%);
          transform: translate(50%, -50%);
}
.button-collision:hover, .button-collision.is-hovered {
  color: #fff;
}
.button-collision:hover:before, .button-collision.is-hovered:before {
  -webkit-animation: criss-cross-left 0.8s both;
          animation: criss-cross-left 0.8s both;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
}
.button-collision:hover:after, .button-collision.is-hovered:after {
  -webkit-animation: criss-cross-right 0.8s both;
          animation: criss-cross-right 0.8s both;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
}

@media (min-width: 768px) {
  .button-collision {
      height: 60px;
      max-width: 200px;
      margin: 1rem auto;
      padding: 1rem;
    }
}

@media (min-width: 992px) {
  .button-collision {
      height: 80px;
      max-width: 250px;
      margin: 1rem auto;
      padding: 1.5rem;
    }
}

@media (min-width: 1200px) {
    .button-collision {
        height: 60px;
        max-width: 200px;
        margin: 1rem auto;
        padding: 1rem;
        border: 2px solid #1A237E;
      }
}

@media (min-width: 1900px) {
    .button-collision {
        height: 80px;
        max-width: 250px;
        margin: 4rem auto;
        padding: 1.5rem;
      }
}