body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  width:100%;
  background: #dce35b;  /* fallback for old browsers */      
  background: -webkit-linear-gradient(to right, rgb(220, 227, 91), rgb(69, 182, 73));  /* Chrome 10-25, Safari 5.1-6 */      
  background: linear-gradient(to right, rgb(220, 227, 91), rgb(69, 182, 73)); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */      
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
}