:root {
  --width-line: 4px;
}

.animated-button1 {
  transform: translate(0%, 0%);
  overflow: hidden;
}

.animated-button1::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated-button1 span {
  position: absolute;
  border-radius: 4px;
  background: -webkit-gradient(
    linear,
    right top,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#d92626)
  );
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #d92626);
}

.animated-button1 span:nth-child(1) {
  top: 0px;
  left: 2px;
  width: 100%;
  height: var(--width-line);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

.animated-button1 span:nth-child(2) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: var(--width-line);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

.animated-button1 span:nth-child(3) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: var(--width-line);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

.animated-button1 span:nth-child(4) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: var(--width-line);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

@keyframes animateLeft {
  0% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
}

@keyframes animateBottom {
  0% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  100% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
}

@keyframes animateRight {
  0% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
  100% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
}

@keyframes animateTop {
  0% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
  100% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

.glow-on-hover {
  border: none;
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 0;
}

.glow-on-hover:before {
  content: "";
  background: linear-gradient(
    45deg,
    #ff0000,
    #ff7300,
    #fffb00,
    #48ff00,
    #00ffd5,
    #002bff,
    #7a00ff,
    #ff00c8,
    #ff0000
  );
  position: absolute;
  top: -2px;
  left: -2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing 20s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  border-radius: 10px;
  opacity: 1;
}

.glow-on-hover:after {
  z-index: -1;
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: #000000aa;
  left: 0;
  top: 0;
  border-radius: 10px;
}

@keyframes glowing {
  0% {
    background-position: 0 0;
  }
  50% {
    background-position: 400% 0;
  }
  100% {
    background-position: 0 0;
  }
}