.fill {
           background-image: url("bubble.jpg");
           background-repeat: no-repeat;
           background-size: cover;
           background-attachment: fixed;
          }
  
      } .icon-bar {
            width: 25px;
            height: 25px;
            background-color: darkblue;
           
}

.icon-bar a {
            display: block;
            text-align: center;
            padding: 20px;
            transition: all 0.3s ease;
            color: darkblue;
            font-size: 30px;
}

.icon-bar a:hover {
              background-color: palevioletred;
}


           
.facebook {
           background-color: cornflowerblue;
           color: cornflowerblue;
}

.twitter {
	       background-color: cornflowerblue;
           color: white;
	       }