body {
  margin: 0;
  padding: 0;
  background-color: white;
  text-align: center;
  line-height: 1;
}

h1 {
  margin: 25px 0;
  color: #0280FF;
  font-family: 'Oxygen', sans-serif;
  font-size: 50px;
}

.buttons {
  margin-top: 50px;
}

.container {
  margin: 50px auto;
}

#canvas {
  margin: 0 auto 15px auto;
  max-width: 480px;
  height: 450px;
  border-radius: 3px;
  background-color: #EBE9E9;
  overflow: hidden;
}

.grid-item {
  display: block;
  float: left;
  width: 30px;
  height: 30px;
}

.colored {
  background-color: #000000;
}


#clear , #pixel-size-list, #rainbow {
  border: 3px;
  margin-right: 40px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  color: #ffffff;
  background-color: #0080FF;
  border-style: hidden;
  border-radius: 5px;
}


#clear:hover , #pixel-size-list:hover, #rainbow:hover {
  background-color: #3581B8;
}