body{
  overflow-x: hidden;
  overflow-y: scroll;
  background-color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  margin:0;
  font-size:12px;
 
}

 #section1{
  position:relative;
  width: 100%;
  overflow:hidden;
  height: 100vh;
  min-height:500px;
  background: url(../imgs/loader.gif) no-repeat center center fixed; 
  padding:20px;
  color:#212121;