body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
        }

        header {
            background-color: hsl(0, 77%, 40%);
            color: #fff;
            padding: 20px 0;
            text-align: center;
        }

        nav {
            background-color: #000000;
            overflow: hidden;
        }

        nav a {
            color: white;
            padding: 20px 20px;
            text-decoration: none;
            text-align: center;
            display: inline-block;
        }

        nav a:hover {
            background-color: #575757;
        }

        .container {
            width: 80%;
            margin: 20px auto;
        }

        .main-content {
            display: flex;
            justify-content: space-between;
        }

        .main-content .sidebar {
            width: 30%;
            background-color: #e1e1e1;
            padding: 15px;
            a{color:#000000;}    
        }

        .main-content .content {
            width: 65%;
            background-color: white;
            padding: 15px;
        }

        footer {
            background-color: #333;
            color: #fff;
            text-align: center;
            padding: 10px 0;
            position:unset;
            width: 100%;
            bottom: 0;
        }
        @media (max-width: 768px) {
            .main-content {
                flex-direction: column;
            }

            .main-content .sidebar {
                width: 100%;
            }

            .main-content .content {
                width: 100%;
            }
        }
        /* werken met containers is heel stom */
       .sidebar{
        border-radius: 25px;

       }
       .content{
        border-radius: 25px;
        /* vanaf hier is het voor de pagina aboutus */
       }
        @media (max-width: 768px) {
            .main-content2 {
                display:table-row;
            }

            .main-content2 .main2 {
                width: 100%;
            }
            .main-content2 .main3 {
                width: 100%;
            }
            .main-content2 .main4 {
                width: 100%;
            }    
        }
        .container2 {
            width: 80%;
            margin: 20px;
        }
        .main-content2 .main2 {
            width: 30%;
            background-color: #e1e1e1;
            padding: 15px;
            a{color:#000000;}    
            margin: 20px;
        }
 
        .main-content2 .main3 {
            width: 30%;
            background-color: #e1e1e1;
            padding: 15px;
            a{color:#000000;}    
            margin: 20px;
        }
 
        .main-content2 .main4 {
            width: 30%;
            background-color: #e1e1e1;
            padding: 15px;
            a{color:#000000;}    
            margin: 20px;
        }
.container9 {
  display: flex;
  background-color: white;
}

.container9 div {
  background-color: #e1e1e1;
  margin: 10px;
  padding: 20px;
  font-size: 30px;
}