* {
  margin: 0;
  padding: 0;
}

::-webkit-scrollbar {
  display: none;
}

body {
  width: 100vw;
  height: 100vh;
  display: flex;
}

main {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

ul {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

li {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 10px;
}

label {
  margin-top: 15px;
  font-size: 20px;
}

input[type='checkbox'] {
  background-color: white;
  appearance: none;
  -webkit-appearance: none;
  display: flex;
  align-content: center;
  justify-content: center;
  padding: 10px;
  border: 1px solid black;
  border-radius: 50%;
}

input[type='checkbox']::before {
  content: '';
  width: 1.4rem;
  height: 1.4rem;
  clip-path: circle();
  opacity: 0;
  background-color: black;
  transition: opacity 0.3s ease-in-out;
}

input[type='checkbox']:checked::before {
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

input[type='checkbox']:hover:not(:checked)::before {
  opacity: 0.5;
}

button {
  position: fixed;
  right: 30px;
}

button#colors {
  position: fixed;
  top: 30px;
  right: 30px;
}

button#gradient {
  position: fixed;
  top: 85px;
  right: 30px;
}