html, body {
    margin: 0;
    padding: 0;
  }
   
  body {
    font-family: 'Roboto', sans-serif;
    font-weight: 100;
  }
   
  .container {
    margin: 0 auto;
    max-width: 940px; 
    padding: 0 10px;
  }
   
  .header {
    background: url(https://cdn.hipwallpaper.com/i/34/56/LQA5Xp.jpg) no-repeat center center; 
    background-size: cover;
    height: 800px;
    text-align: center; 
  }
   
  .header .container {
    position: relative;
    top: 200px;
  }
   
  .header h1 {
    color: #fff;
    line-height: 100px; 
    font-size: 80px;
    margin-top: 0;
    margin-bottom: 80px;
    text-transform: uppercase; 
  }
   
  @media (min-width:850px) {
    .header h1 {
      font-size: 120px;
    }
  }
  a:visited, a:hover, a:focus {
    text-decoration: none;
    color: #00F;
    
}
 
   
  .header p {
    color: #fff;
    font-weight: 500;
    letter-spacing: 8px;
    margin-bottom: 40px;
    margin-top: 0;
    text-transform: uppercase; 
  }
   
  .btn {
    color: #fff;
    background: #000;
    padding: 10px 40px;
    text-decoration: none; 
    transition: background .5s; 
  }
   
   
  .btn:hover, .nav ul li:hover {
    background: #117bff;
    cursor: pointer; 
    transition: background .5s;  
  }
   
  .main .container {
    margin: 80px auto;
  }
   
  .main img {
    float: left;
    margin: 50px 80px 50px 0;
  }
   
     
  .footer { 
    background: #000;
    height: 80px; 
    padding-bottom: 50px;
  }
   
  .footer p { 
    color: #fff;
    font-size: 14px;  
    height: 80px; 
    line-height: 80px;
    margin: 0;  
  }
   
  @media (max-width: 500px) {
    .header h1 {
      font-size: 50px;
      line-height: 64px;
    }
   
    .main, .jumbotron {
      padding: 0 30px;
    }
   
    .main img {
      width: 100%;
    }
  }