#logo {
    display: block;
    margin-top: 10%;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
  }
  
footer {
    position:fixed;
    bottom:0;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size:small;
    font-family:Tahoma;
    font-weight:lighter;
}

a {
    font-weight:lighter;
    text-decoration: none;
    color:black
}