body {
        margin: 0px;
        padding: 0px;
        background: #000000;
      }
      #site_image{
        display: block;
        margin-left: auto;
        margin-right: auto;
      }
      #site_image2 {
         width: 50%;
         height: 50%;
         margin: 0 auto;
         transform: translate(50%);
      }
      .container {
/*
         border: dashed;
         border-width: thick;
*/
      }
      #leftColumn {
/*
         border: solid;
         border-width: thin;
*/
         font-size: x-large;
      }
      li {
         color: white;
         font-size: larger;
         text-align: right;
         text-decoration: none;
      }
      #mainSection {
         float: right;
      }
      .img-rounded {
         border: solid;
         border-width: thin;
         border-radius: 25px;
         border-color: red;
      }
      .img-radius {
         border-radius: 25px;
      }
      .jumbotron {
         background: black;
         text-align: center;
         font-size: xx-large;
      }
      #twenties {
         color: white;
      }
      #thirties {
         color: yellow;
      }
      #forties {
         color: lightgrey;
      }
      #fifties {
         color: lightgreen;
      }
      #sixties {
         color: pink;
      }
      .btn {
         padding-top: 0px;
      }
      .img-center {
        display: block;
        margin: 0px auto 0px auto;
      }
      .redline {
         border: 0;
         color: red;
         background-color: red;
         height: 5px;
      }