clock.css

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

.analog { 
  background: radial-gradient(circle, transparent 68%,black 68.15%, grey 68.5%, white 69.2%, silver 69.5%, grey 70%, black 71%),
  repeating-linear-gradient(10deg, transparent 0.1%, black 0.2%, transparent 0.3%, black 0.4%);
  border-radius:100%;
  cursor:pointer;
  display:flex;
    align-items: center;
    justify-content: center;
  height:65vh;
  opacity:0.9;
  position:absolute;
  width:65vh;
  visibility:hidden;
}

body {
  background-color: black;
  font-family: Roboto, "Arial Rounded MT Bold", sans-serif;
  min-height: 100vh;
  min-width:100vw;
  display: flex;
    align-items: center;
    justify-content: center;
  overflow: hidden;
  user-select: none;
}

.center {
  background: radial-gradient(circle, white 5%, black 10%, grey 50%, silver 60%, grey 65%, black 75%);
  border-radius:100%;
  height:10px;
  width:10px;
  position:absolute;
  z-index:3;
}

.contact {
  color:transparent;
  font-family: "zapfino", "luminari", "Academy Engraved Let";
  font-size:small;
  position:absolute;
    right:25%;
    top:-50px;
  z-index:2;
}

.contact:hover {
  color: black;
  text-shadow: 0px 0px 2px lightsteelblue;
}

.digital {
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(9px);
  background: rgba(105, 103, 103, 0.21);
  border: 1px solid rgba(234, 230, 230, 0.13);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  font-size: 27.5px;
  font-weight: 500;
  letter-spacing: 2.5px;
  line-height: 47.5px;
  max-width: 70%;
  min-width: 280px;
  padding: 30px 50px 25px 50px;
  text-align: center;
}

.digital:hover {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.3s ease;
}

.hand {
  border-radius: 10px;
  position:absolute;
    top:50%;
  transform-origin:50% 0%;
  transform:rotate(180deg);
}

.hide {
  visibility: hidden;
}

.hour {
  background-color: black;
  height:34%;
  width:5px;
  z-index:2;
}

.minute {
  background-color: white;
  height:37%;
  transition: all 0.05s;
  transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
  width:5px;
  z-index:1;
}

.second {
  background-color: red;
  height:40%;
  transition: all 0.05s;
  transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
  width:2.5px;
  z-index:0;
}


@media screen and (max-width: 811px) {

  .analog {
    height:50vh;
    width:50vh;
  }

  .digital {
    font-size: 25px;
    padding: 25px 15px;
  }

  .contact {
    font-size:small;
    top:-50px;
    right:25%;
  }

}