.button-main-div {
  position: relative;
  background-color: transparent;
}



.button_div::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  margin-top: 10px;
  width: 100%;
  height: 58%;
  -webkit-box-shadow: 0 0 17px 3px #ffff01,0 0 4px 2px #ffff01;
          box-shadow: 0 0 17px 3px #ffff01,0 0 4px 2px #ffff01;
  z-index: -1;
  -webkit-animation-name: gradient-shadow;
          animation-name: gradient-shadow;
  -webkit-animation-timing-function: ease;
          animation-timing-function: ease;
  -webkit-animation-duration: 2s;
          animation-duration: 2s;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
}




@-webkit-keyframes yellow-shadow {
  0% {
    top: 0;
    left: 0;
  }
  25% {
    top: 50%;
    left: 0;
  }
  50% {
    top: 50%;
    left: 50%;
  }
  75% {
    top: 0;
    left: 50%;
  }
  100% {
    top: 0;
    left: 0;
  }
}

@keyframes yellow-shadow {
  0% {
    top: 0;
    left: 0;
  }
  25% {
    top: 50%;
    left: 0;
  }
  50% {
    top: 50%;
    left: 50%;
  }
  75% {
    top: 0;
    left: 50%;
  }
  100% {
    top: 0;
    left: 0;
  }
}

@-webkit-keyframes cyan-shadow {
  0% {
    right: 0;
    bottom: 0;
  }
  25% {
    right: 0;
    bottom: 50%;
  }
  50% {
    right: 50%;
    bottom: 50%;
  }
  75% {
    right: 50%;
    bottom: 0;
  }
  100% {
    right: 0;
    bottom: 0;
  }
}

@keyframes cyan-shadow {
  0% {
    right: 0;
    bottom: 0;
  }
  25% {
    right: 0;
    bottom: 50%;
  }
  50% {
    right: 50%;
    bottom: 50%;
  }
  75% {
    right: 50%;
    bottom: 0;
  }
  100% {
    right: 0;
    bottom: 0;
  }
}

@-webkit-keyframes gradient-shadow {
  0% {
    -webkit-box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
            box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
  }
  20% {
    -webkit-box-shadow: 0 0 17px 3px #0ff,0 0 4px 2px #0ff;
            box-shadow: 0 0 17px 3px #0ff,0 0 4px 2px #0ff;
  }
  40% {
    -webkit-box-shadow: 0 0 17px 3px #0f0,0 0 4px 2px #0f0;
            box-shadow: 0 0 17px 3px #0f0,0 0 4px 2px #0f0;
  }
  60% {
    -webkit-box-shadow: 0 0 17px 3px #ffff01,0 0 4px 2px #ffff01;
            box-shadow: 0 0 17px 3px #ffff01,0 0 4px 2px #ffff01;
  }
  80% {
    -webkit-box-shadow: 0 0 17px 3px #f00,0 0 4px 2px #f00;
            box-shadow: 0 0 17px 3px #f00,0 0 4px 2px #f00;
  }
  100% {
    -webkit-box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
            box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
  }
}

@keyframes gradient-shadow {
  0% {
    -webkit-box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
            box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
  }
  20% {
    -webkit-box-shadow: 0 0 17px 3px #0ff,0 0 4px 2px #0ff;
            box-shadow: 0 0 17px 3px #0ff,0 0 4px 2px #0ff;
  }
  40% {
    -webkit-box-shadow: 0 0 17px 3px #0f0,0 0 4px 2px #0f0;
            box-shadow: 0 0 17px 3px #0f0,0 0 4px 2px #0f0;
  }
  60% {
    -webkit-box-shadow: 0 0 17px 3px #ffff01,0 0 4px 2px #ffff01;
            box-shadow: 0 0 17px 3px #ffff01,0 0 4px 2px #ffff01;
  }
  80% {
    -webkit-box-shadow: 0 0 17px 3px #f00,0 0 4px 2px #f00;
            box-shadow: 0 0 17px 3px #f00,0 0 4px 2px #f00;
  }
  100% {
    -webkit-box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
            box-shadow: 0 0 17px 3px #C586C0,0 0 4px 2px #C586C0;
  }
}

@-webkit-keyframes half-yellow-shadow {
  0% {
    top: 0;
    left: 0;
    height: 50%;
    width: 50%;
  }
  16.66% {
    top: 0;
    left: 0;
    height: 50%;
    width: 100%;
  }
  32.32% {
    top: 0;
    left: 50%;
    height: 50%;
    width: 50%;
  }
  49.98% {
    top: 50%;
    left: 50%;
    height: 50%;
    width: 50%;
  }
  66.64% {
    top: 50%;
    left: 0;
    height: 50%;
    width: 100%;
  }
  83.3% {
    top: 50%;
    left: 0;
    height: 50%;
    width: 50%;
  }
  100% {
    top: 0;
    left: 0;
    height: 50%;
    width: 50%;
  }
}

@keyframes half-yellow-shadow {
  0% {
    top: 0;
    left: 0;
    height: 50%;
    width: 50%;
  }
  16.66% {
    top: 0;
    left: 0;
    height: 50%;
    width: 100%;
  }
  32.32% {
    top: 0;
    left: 50%;
    height: 50%;
    width: 50%;
  }
  49.98% {
    top: 50%;
    left: 50%;
    height: 50%;
    width: 50%;
  }
  66.64% {
    top: 50%;
    left: 0;
    height: 50%;
    width: 100%;
  }
  83.3% {
    top: 50%;
    left: 0;
    height: 50%;
    width: 50%;
  }
  100% {
    top: 0;
    left: 0;
    height: 50%;
    width: 50%;
  }
}

@-webkit-keyframes half-cyan-shadow {
  0% {
    bottom: 0;
    right: 0;
    height: 50%;
    width: 50%;
  }
  16.66% {
    bottom: 0;
    right: 0;
    height: 50%;
    width: 100%;
  }
  32.32% {
    bottom: 0;
    right: 50%;
    height: 50%;
    width: 50%;
  }
  49.98% {
    bottom: 50%;
    right: 50%;
    height: 50%;
    width: 50%;
  }
  66.64% {
    bottom: 50%;
    right: 0;
    height: 50%;
    width: 100%;
  }
  83.3% {
    bottom: 50%;
    right: 0;
    height: 50%;
    width: 50%;
  }
  100% {
    bottom: 0;
    right: 0;
    height: 50%;
    width: 50%;
  }
}

@keyframes half-cyan-shadow {
  0% {
    bottom: 0;
    right: 0;
    height: 50%;
    width: 50%;
  }
  16.66% {
    bottom: 0;
    right: 0;
    height: 50%;
    width: 100%;
  }
  32.32% {
    bottom: 0;
    right: 50%;
    height: 50%;
    width: 50%;
  }
  49.98% {
    bottom: 50%;
    right: 50%;
    height: 50%;
    width: 50%;
  }
  66.64% {
    bottom: 50%;
    right: 0;
    height: 50%;
    width: 100%;
  }
  83.3% {
    bottom: 50%;
    right: 0;
    height: 50%;
    width: 50%;
  }
  100% {
    bottom: 0;
    right: 0;
    height: 50%;
    width: 50%;
  }
}