 .margin{
                margin: 50px;
            }
            /* add a black background color to the top navigation */
            .topnav{
                background-color: #333;
                overflow: hidden;
             }
            /* style the links inside the navigation bar*/
             .topnav a{
                 float: left;
                 color: #f2f2f2;
                 text-align: center;
                 padding: 14px 16px;
                 text-decoration: none;
                 font-size: 17px;
             }
            /* change the color of the links on hover */
            .topnav a:hover{
                background-color: #ddd;
                color: black;
            }
            /* add a color ot the active/current link*/ 
            .topnav a.active{
                background-color: #4CAF50;
            }
            
            /* changes font of body*/
            body{
                font-family: Arial;
            }
                       
            .flex-container{
                display: flex;
            }
            
            .flex-child{
                flex: 1;
                border: 2px solid black;
            }
            
            .flex-child:first-child{
                margin-right: 20px;
            } 


          * {box-sizing: border-box}
          body {font-family: Verdana, sans-serif; margin:0}
          .mySlides {display: none}
          img {vertical-align: middle;}

          /* Slideshow container */
          .slideshow-container {
            max-width: 1000px;
            position: relative;
            margin: auto;
          }

          /* Next & previous buttons */
          .prev, .next {
            cursor: pointer;
            position: absolute;
            top: 50%;
            width: auto;
            padding: 16px;
            margin-top: -22px;
            color: black;
            font-weight: bold;
            font-size: 18px;
            transition: 0.6s ease;
            border-radius: 0 3px 3px 0;
            user-select: none;
          }

          /* Position the "next button" to the right */
          .next {
            right: 0;
            border-radius: 3px 0 0 3px;
          }

          /* On hover, add a black background color with a little bit see-through */
          .prev:hover, .next:hover {
            background-color: rgba(0,0,0,0.8);
          }

          /* Caption text */
          .text {
            color: black;
            font-size: 15px;
            padding: 8px 12px;
            position: absolute;
            bottom: 8px;
            width: 100%;
            text-align: center;
          }

          /* Number text (1/3 etc) */
          .numbertext {
            color: black;
            font-size: 12px;
            padding: 8px 12px;
            position: absolute;
            top: 0;
          }

          /* The dots/bullets/indicators */
          .dot {
            cursor: pointer;
            height: 15px;
            width: 15px;
            margin: 0 2px;
            background-color: #bbb;
            border-radius: 50%;
            display: inline-block;
            transition: background-color 0.6s ease;
          }

          .active, .dot:hover {
            background-color: #717171;
          }

          /* Fading animation */
          .fade {
            -webkit-animation-name: fade;
            -webkit-animation-duration: 1.5s;
            animation-name: fade;
            animation-duration: 1.5s;
          }

          @-webkit-keyframes fade {
            from {opacity: .4} 
            to {opacity: 1}
          }

          @keyframes fade {
            from {opacity: .4} 
            to {opacity: 1}
          }

          /* On smaller screens, decrease text size */
          @media only screen and (max-width: 300px) {
            .prev, .next,.text {font-size: 11px}
          }
