gin-left: 20px; border: solid thin; }
    div.box1 { height: 50px; margin-bottom: 40px; background-color: yellow; }
    div.box2 { background-color: aqua; float: left; width: 20px; height: 20px; }
    div.box3 { overflow: hidden; clear: left; margin-top: 50px; height: 50px; background-color: orange; }
  </style>
 </head>
 <body>
  <p>The coloured bars on the left should match the coloured boxes in the black box.</p>
  <div class="container">
    <div class="target1"></div>
    <div class="target2"></div>
  