.intro {
    background:url(https://wallpaperplay.com/walls/full/2/9/9/122329.jpg);
    
    
    margin: -28px;
    padding: 20px;
    
}


body {
    background:rgba(128, 128, 128, 0.3);
    
    
}


 img {
    border-color: rgba(128, 128, 128, 0.3);
    border-width: 1px;
    background: gray;
    border-style: solid;

}

.sidebar{
    
    height:100%;
    
    text-align: center;
    
    height: 100%; 
    width: 140px; 
    position: fixed; 
    z-index: 1; 
    top: 0; 
    left: 0;
    background-color: #111; 
    overflow-x: hidden; 
    vertical-align: bottom;
  }
  
  /* The navigation menu links */
  .sidebar a {
    padding: 100px 8px 6px 16px;
    text-decoration: none;
    font-size: 80%;
    color: #818181;
    display: block;
        
  }
  

.brief {
    background: rgba(128, 128, 128, 0);
    font-family: 'Montserrat', sans-serif;
    padding: 5px;
    margin-left: 160px;
    
} 
.sourcecode {
    background: rgba(128, 128, 128, 0);
    text-align: center;
}