body {
    background-color:#230716;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center; 
    font-family: Kanit, sans-serif;
  }
  
  body,
  html {
   height: 100%;
   width: 100%;
   margin: 0;
   padding: 0;
  }
  
  #demo{
      overflow:hidden;
      width:800px;
      height:350px;
      visibility:hidden;
      position:relative;
      //border:1px solid red;
  }
  
  h1 {
      position:absolute;
      width:800px;
      text-align:center;
      line-height:300px;
      color:white;
      font-size:70px;
      font-weight:400;
      color:#ccc;
  
      font-family:kanit;
      font-style:italic;
      font-weight:500;
      
  }