body {
  margin: auto;
  width: 600px;
  background-color: #eb346b;
  opacity: 0.8;
  /*background-image:  repeating-linear-gradient(120deg, #444cf7 25%, transparent 25%, transparent 75%, #444cf7 75%, #444cf7), repeating-linear-gradient(45deg, #444cf7 25%, #eb346b 25%, #eb346b 75%, #444cf7 75%, #444cf7);*/
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;

  color: black;
  font-family: Verdana;
}

main{
  margin-top: 100px;
  padding: 25px;
  background-color: #ffffff; 
  opacity: 1;
}