*{
  margin:0;
  padding:0;
  box-sizing: border-box;
  font-family:Arial, Helvetica, sans-serif;
}
body{
  height:100vh;
  background: url("nature.jpeg");
  background-repeat: no-repeat;
  background-size: cover;
  transition: 0.7s ease-in-out;
  transition: opacity 1s ease-in-out;
}
.changebtn{
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  display:flex;
  justify-content: center;
  align-items: center;
  width:150px;
  height: 60px;
  border-radius:50px;
  padding-left: 40px;
  background: #ffffff;
  box-shadow: 10px 10px 20px #a4a4a4;
  user-select: none;
}
.changebtn span{
  position:absolute;
  display: flex;
  align-items: center;
  justify-self: center;
  color:#1a191d;
  left: 5px;
  width:50px;
  height: 50px;
  background: linear-gradient(to top, #a3aaba, #e0e0e0);
  border-radius: 50%;
  border: 2px solid #e0e0e0;
  transition: 0.5s ease-in-out;
  cursor: pointer;
}

.icon{
  position: absolute;
  height: 30px;
  width: 30px;
  left:7.5px;
  transition: 0.7s ease-in-out;
}

/* dialogbox */
dialog {
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #ddd;
  box-shadow: 0 4px 16px 12px rgba(0,0,0,0.2);
  width: 35%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.5);
}
.menu{
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
  margin:8px;
  padding:5px;
  font-size: 30px;
  border-radius: 4px;
  cursor: pointer;
}
a{
  text-decoration: none;
}
a:link {
  color: black; /* Unvisited link */
}
a:visited {
  color: black; /* Visited link */
}
a:hover {
  color: black; /* Mouse over link */
}
a:active {
  color: black; /* Selected link */
}
/* digitalclock */
.digitalclock{
  top:50%;
  left:50%;
  transform: translate(-50%, -50%);
  width:100%;
  max-width:430px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.1),
  0px 10px 20px rgba(0,0,0,0.7);
  height:130px;
  border-radius:12px;
  padding:20px;
  position: absolute;
  user-select: none;
  transition: opacity 1s ease-in-out;
}
.digitalclock h1{
  font-size: 4rem;
  font-weight:600;
  cursor: pointer;

}
.digitalclock span{
  position:relative;
  top:-10%;
  font-size: 20px;
  font-weight: 700;
  margin-left: 7px;
}
@media (max-width:500px){
  .digitalclock{
    max-width:260px;
    height:110px;
  }
  .digitalclock h1{
    font-size: 2.3rem;
  }
  .digitalclock span{
    font-size: 15px;
    margin-left: 4px;
  }
}

/* analogclock */
.container{
  position:absolute;
  top:38%;
  left:42%;
  visibility: hidden;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  user-select: none;
}
.analogclock{
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background-color: rgba(154, 171, 238, 0.1);
  border: rgba(255,255,255,0.25);
  box-shadow: 0px 0px 30px rgba(0,0,0,0.9);
  display: flex;
  justify-content: center;
  align-items: center;
}
.analogclock span{
  position: absolute;
  transform: rotate(calc(30deg * var(--i)));
  inset:12px;
  text-align: center;
}
.analogclock span b{
  display:inline-block;
  transform: rotate(calc(-30deg* var(--i)));
  font-size: 20px;
}
.analogclock::before{
  content:'' ;
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  z-index: 2;
  background-color: azure;
}
.hand{
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}
.hand i{
  position:absolute;
  background-color: var(--clr);
  width: 4px;
  height: var(--h);
  border-radius: 8px;
}