* {
      box-sizing: border-box;
    }

body {
  margin: 0;
  height: 100%;
  font-family: Arial, sans-serif;
  background: #f2f2f2;
  background: linear-gradient(to right top,rgba(241, 207, 205, 0.77),rgba(181, 238, 184, 0.76),rgba(233, 242, 250, 0.62));
}