.clouds {
  position: absolute;
  display: flex;
  align-items: center;
  height: 540px;
}

.animation {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index:-1;
}

.animation::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, #fff, #0000, #fff);
  z-index: 1;
}

.animation::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height:100%;
  background: #03a9f445;
}

.animation .cloud {
  background-repeat: repeat-X;
  height: 100%;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
}

.animation .cloud1 {
  background-image: url('https://raw.githubusercontent.com/gestok/clouds/main/clouds/clouds_1.png');
  animation: move1 20s infinite linear;
}
.animation .cloud2 {
  background-image: url('https://raw.githubusercontent.com/gestok/clouds/main/clouds/clouds_2.png');
  animation: move1 15s infinite linear;
}
.animation .cloud3 {
  background-image: url('https://raw.githubusercontent.com/gestok/clouds/main/clouds/clouds_3.png');
  animation: move1 17s infinite linear;
}

.container {
  max-width: 1200px;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.clouds {
  text-align: center;
}
.clouds h2 {
  font-size: 40px;
  text-shadow: 0 1px 2px #15151550;
  margin: 0 0 12px;
}
.clouds p {
  max-width: 400px;
  margin: 6px auto 24px;
  text-shadow: 0 1px 2px #15151550;
}
.clouds .btn {
  text-shadow: 0 1px 2px #15151550;
  background: transparent;
  border: solid 1px #fff;
  padding: 10px 21px;
  color: inherit;
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  box-shadow: 0 8px 16px -4px #15151550;
}
.clouds .btn:hover {
  background: #fff2;
}

.divider {
  position: relative;
  height: 28px;
}

.divider::before,
.divider::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
}

.divider::before {
  width: 100px;
  height: 1px;
  background: linear-gradient(90deg, #fff 35%, transparent 35%, transparent 65%, #fff 65%);
  transform: translate(-50%,-50%);
}

.divider::after {
  width: 10px;
  height: 10px;
  background: #fff;
  transform: translate(-50%,-50%) rotate(45deg);
  box-shadow: 0 1px 2px #15151540;
}

@keyframes move1 {
  100% {background-position: -1000px 0;}
}
@keyframes move2 {
  100% {background-position: -1000px 0;}
}
@keyframes move3 {
  100% {background-position: -1579px 0;}
}

/* Options */
.options {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-flow: row wrap;
  gap: 10px;
  z-index: 10;
}
.options .opt {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow: 4px 4px 8px 0px #0005;
}
.opt1 {
  background: linear-gradient(45deg, #fff 50%, #03a9f445 50%);
}
.opt2 {
  background: linear-gradient(45deg, #151515 50%, #f96 50%);
}
.opt3 {
  background: linear-gradient(45deg, #353535 50%, #009688 50%);
}
.opt4 {
  background: linear-gradient(45deg, #b2ebf2 50%, #034070 50%);
}

.white::before {background: linear-gradient(0deg, #fff, #fff0, #fff)}
.white::after {background: #03a9f445;}

.black::before {background: linear-gradient(0deg, #151515, #15151500, #151515)}
.black::after {background: #ff996630;}

.lightblack::before {background: linear-gradient(0deg, #353535, #35353500, #353535)}
.lightblack::after {background: #00968875;}

.cyan::before {background: linear-gradient(0deg, #b2ebf2 0%, #b2ebf200 38%, #b2ebf200 58%, #b2ebf2 100%)}
.cyan::after {background: #034070a0;}