/* Overall display */
body {
   background-image: url("teeth.png");
   background-size: cover;
   background-color: #cccccc;
   color: black;
   font-family: Verdana;
}
#footer {
  text-align: center;
  background-color: #ccc;
  font-size: 11px;
  padding-top: 5px;
  padding-bottom: 11px;
  margin-left: auto;
  margin-right: auto;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

/* Desktop and Widescreens*/
    @media only screen and (min-width: 600px), (min-height: 600px) {
        #container {
          margin-left: auto;
          margin-right: auto;
          width: 60%;
          min-width: 600px;
          height: 100%;
        }
            #headerbox {
              display:none;
            }
            #sidenav {
              float: left;
              margin-top: 10%;
              width: 150px;
              height: 450px;
              background-color: #fff;
        }
        #infobox {
          float: right;
          margin-top: 10%;
          width: 70%;
          background-color: #fff;
        }
    }

/* Mobile and Thinscreens*/
    @media only screen and (max-width: 600px), (max-height: 600px) {
      #container {
          width: 100%;
          min-width: inherit;
          height: 100%;
        }
      #headerbox {
              display:block;
              background-color: #ccc;
              padding-top: 11px;
              padding-bottom: 8px;
              margin-left: auto;
              margin-right: auto;
            }
          .dropdown {
              float: right;
              /*position: relative;
              display: inline-block;*/ }
          .dropdown a:hover {background-color: #ddd}
          .dropbtn {
              background-color: #3498DB;
              color: white;
              padding: 3px;
              font-size: 13px;
              border: none; }
          .dropbtn:hover, .dropbtn:focus {
              background-color: #2980B9;}
          .dropdown-content {
              display: none;
              /*position: absolute;*/
              background-color: #f1f1f1;
              min-width: 160px;
              overflow: auto;
              box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
              z-index: 1;}
          .dropdown-content a {
              color: black;
              padding: 12px 16px;
              text-decoration: none;
              /*display: block;*/}
          .show {display:block;}
        #sidenav {
          display:none;
        }
        #infobox {
          float:none;
          width: 100%;
          height: 100%;
          margin-top: 5px;
          margin-bottom: 4px;
          background-color: #fff;
         /*right:0;
          left:0;
          margin-right:15px;
          margin-left:15px;*/
        }
    }