body {
  font-family: Arial;
  text-align: center;
  margin: 10px;
}
.mainbody {
  /* display: flex; */
}
@media (min-width: 768px) {
  body {
    font-size: 20px;
  }
}

h1 {
  font-size: 2rem;
}
/* header{
      w
  } */

main {
  
}

.rgb {
  font-size: 1.4rem;
  text-transform: uppercase;
}

.colors {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-gap: 10px;
  width: 80vw;
  min-width: 300px;
  max-width: 100vw;
  margin: auto;
  padding: 20px;
}
.colors__block {
  height: 150px;
  width: 50%;
  background: #ddd;
  cursor: pointer;
  transition: background 0.4s ease;
  border-radius: 10px;
}

.status {
  min-width: 300px;
  width: 60vw;
  margin: 20px auto;
  font-size: 1rem;
}

.diff {
  margin: 20px auto;
}

.diff__btn {
  font-size: 14px;
  border: solid 1px;
  border-radius: 50%;
  padding: 10px;
  cursor: pointer;
}

.diff__btn.active {
  background: black;
  color: white;
  border-color: black;
}