* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  max-width: 600px;
  margin: auto;
  padding: 20px;
  margin-top: 100px;
}
body::before{
  content: "";
  position: fixed;
  inset: 0;

  background-image: url(cloud.jpg);
  background-size: cover;
  background-position: center;

  opacity: 0;
  animation: bgFadeIn 2s ease forwards;

  z-index: -1;

}


@keyframes bgFadeIn{
  to{
    opacity: 1;
  }
}
h1 {
  opacity: 0;
  transform: translateY(50px);
  animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
input, select, button {
  margin: 5px 0;
  padding: 8px;
  font-size: 16px;
  width: 100%;
}

button {
  cursor: pointer;
  border-radius: 20px;
  background: #4a90e2;
  color: white; 
}
@media (max-width: 600px) {
  html{
    touch-action: manipulation;
  }
  body::before{
    background-image: url(cloud_mo.jpg);
  }
}
header{
  background-color: rgb(183, 107, 149);
  position: fixed;
  top: 0;
  left:0;
  right: 0;
  width: 100%;
  height: 80px;
  opacity: 0.5;
  
  z-index: 9999;
}
header img{
  width: auto;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}