body{
    background-color: #E0FFFF;
}
h1{
 list-style-type: none;
  margin: 0;
  padding: 14px 20px;
  overflow: hidden;
  background-color:#90EE90;
  width: 100%;
}
@media(max-width: 600px){
    h1 {
        width: 100%;
                  }
}

@media(min-width: 601px){
    h1 {
        width: 100%;
                  }
}