* {
  padding: 0px;
  margin: 0px;
}

body {
  color: #000000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: "SF Pro Display", Arial, sans-serif;
  background: linear-gradient(-45deg, #e9ee52, #e73c7e, #23a6d5, #23d582);
  background-size: 300% 300%;
  animation: gradient 25s ease infinite;
}
@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
a,
a:active,
a:hover,
a:visited {
  color: #000000;
  text-decoration: none;
}
.container {
  display: flex;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 30px auto;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.link {
  background-color: rgba(255, 255, 255, 0.7);
  flex: 0 0 170px;
  border-radius: 5px;
  padding: 8px 10px 8px 10px;
  font-size: 1.1rem;
  font-weight: 200;
  text-align: center;
  box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
}
.link:hover {
  background-color: rgba(255, 255, 255, 0.8);
}
.category {
  background-color: rgba(255, 255, 255, 0.9);
  flex: 0 0 170px;
  border-radius: 5px;
  padding: 8px 10px 8px 10px;
  font-size: 1.1rem;
  font-weight: 200;
  text-align: center;
  cursor: pointer;
  box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
}
.category:hover {
  background-color: #ffffff;
}
.link:active,
.category:active {
  transform: scale(0.98);
}

#clock {
  font-size: 5rem;
  color: #ffffff;
  font-weight: 200;
}

#date {
  color: #ffffff;
  font-size: 1.2rem;
  margin-top: -13px;
  font-weight: 200;
}

.none {
  display: none;
}