body {
            margin: 5% 10% 5% 10%;
            padding: 0;
            background-size: cover;
            background-attachment: fixed;
            font-family: Arial, sans-serif;
            font-size: 16px;
            line-height: 1.2;
            position: relative;
        }
        
        .container /*TECHNICAL STUFF ABOUT SIDEBARS + MAIN CONTENT*/ {
            display: flex;
            flex-wrap: initial;
            justify-content: space-around;      
                            /*https://www.w3schools.com/cssref/css3_pr_justify-content.php*/
            position: relative;
        }
        
              .sidebar /*AFFECTS BOTH LEFT AND RIGHT*/ {
                   flex-basis: 210%; /* WIDTH */
                   background-color: #e7e7e7;
                   margin-left: 30px;
                   margin-right: 30px;
                   padding: 10px;
                   border: 6px;
                   border-style: solid;
                   border-color:#b71212;
                   overflow-y: auto;
        }
        
        
                 .lowbar {
                   flex-basis: 210%; /* WIDTH */
                   background-color: #000000;
                   margin-left: 30px;
                   margin-right: 30px;
                   margin-top: 10%;
                   margin-bottom: 10%;
                   padding: 10px;
                   border: 6px;
                   border-style: solid;
                   border-color:#b71212;
                   overflow-y: auto;
                  
                  
            
        }
        
        
                .highbar {
                   flex-basis: 210%; /* WIDTH */
                   background-color: #ffffff;
                   margin-left: 30px;
                   margin-right: 30px;
                   margin-top: 10%;
                   margin-bottom: 10%;
                   padding: 10px;
                   border: 6px;
                   border-style: solid;
                   border-color:#000000;
                   overflow-y: auto;
                  
                  
            
        }
       
        .content {
            flex-grow: 1;
            background-color: #000000;
            width: 250px;
            margin-left: 30px;
            margin-right: 30px;
            padding: 30px 40px 30px 40px;
            border: 2px black;