@import url("https://fonts.googleapis.com/css?family=Poppins:200,300,400,500,600,700,800,900&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #25252b;
  gap: 100px;
  flex-wrap: wrap;
}

@property --a {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

.box {
  position: relative;
  width: 300px;
  height: 300px;
  background: repeating-conic-gradient(
    from var(--a),
    #ff2770 0%,
    #ff2770 5%,
    transparent 5%,
    transparent 40%,
    #ff2770 50%
  );
  animation: rotating 2s linear infinite;
  animation-play-state: paused;
  border-radius: 20px;
  filter: drop-shadow(0 15px 50px #000);
  display: flex;
  justify-content: center;
  align-items: center;
}

.box:nth-child(1) {
  filter: drop-shadow(0 15px 50px #000) hue-rotate(225deg);
}

.box:nth-child(3) {
  filter: drop-shadow(0 15px 50px #000) hue-rotate(310deg);
}

.box::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: repeating-conic-gradient(
    from var(--a),
    #45f3ff 0%,
    #45f3ff 5%,
    transparent 5%,
    transparent 40%,
    #45f3ff 50%
  );
  animation: rotating 2s linear infinite;
  animation-delay: -0.5s;
  animation-play-state: paused;
  border-radius: 20px;
}

.box::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 8px solid #25252b;
  border-radius: 15px;
  background-color: #2d2d39;
}

.box:hover,
.box:hover::before {
  animation-play-state: running;
}

.box h2 {
  position: absolute;
  inset: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  background-color: rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 2.5em;
  font-weight: 500;
  text-transform: uppercase;
  box-shadow: inset 0 10px 20px rgba(0, 0, 0, 0.5);
  border-bottom: 2px solid rgba(255, 255, 255, 0.15);
  z-index: 1000;
}

@keyframes rotating {
  0% {
    --a: 0deg;
  }
  100% {
    --a: 360deg;
  }
}