* {
  margin: 0;
  padding: 0;
}

body {
  text-align: center;
}

h1 {
  margin: 30px;
}

.color {
  display: inline-block;
  border: 1px solid black;
  width: 80px;
  height: 80px;
  margin: 20px;
}

.black {
  background-color: black;
}

.pixel-board {
  margin: 20px;
}

.pixel {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 1px solid black;
  background-color: white;
  margin-bottom: -6px;
}

.input {
  display: relative;
  border: 1px solid grey;
  padding: 5px;
}