body{
  position: absolute;
  font-weight: 400;
  font-family:sans-serif;
  float:left;
  content: normal;
  width: 85%;
  margin: 50px;
  padding: 20px;
  text-align: center;

}
@media screen and (min-width: 480px) and (max-width: 767px) {
  body {
      background-color: white;
      color: black;
  }
}
html{
    background-image:url("../images/tri.jpg");
    background-repeat: no-repeat;
    background-size: cover;
  }
h1{
    color:black;
    font-size:24px;

  }