#banner img {
    width: 500px;
    padding: 120px 60px;
  }
  
  #btn-login {
    background-color: #2E7565;
    width: 100px;
    color: whitesmoke;
    display: table;
     margin: 0 auto 80px
  }
  
  #about {
    color: whitesmoke;
    background: darkslategrey
  
  }
  #about div {
    padding: 120px 28px;
  }
  
  #footer{
   position:fixed;
   bottom:0;
   left:0;
  }
  
  
  #contact, footer{
    background: #2E7565;
    color: whitesmoke;
    padding: 40px
  }
  #social a{
    color: whitesmoke;
      font-size: 2em;
    padding: 4px;
    text-decoration: none
  }
  
  #gallery img {
    width: 100%;
    height: auto;
    background-color: whitesmoke;
    
  }
  
  
  footer {
    color: whitesmoke;
    text-align: center;
    padding-top: 80px;
  }
  
  nav a {
    color: #2E7565;
    padding: 20px;
    
  }
  
  #publications a,
  footer a,
  #contact a {
    color: whitesmoke
  }
  
  nav{
    position: fixed;
    top: 0;
    width: 100%;
    background: white
  } 
  
  
  #blurb{
    padding: 40px
  }