*{
	box-sizing: border-box;
    background: #E5CB90;
}
h1 {
	text-align: center;
	font-family: "Arial", Arial, serif;
}

@media only screen and(min-width: 512px) {
	.block{
		width: 100%;
	}
}

@media only screen and (min-width: 768px) {
  .block {
    width: 50%;
  }
}