body {
                width: 980px;
                margin: 0 auto;
                font-family: "Arial";
            }

            header {
                text-align: center;
                margin-bottom: 48px;
                padding-top: 15px;
                font-family: "Courier";
                font-size: 48px;
                border-bottom: 5px solid red;
                border-top: 5px solid red;
            }

            aside {
                float: right;
                width: 25%;
                margin-left: 5%;
                box-sizing: border-box;
                background-color: lightgray;
                border: 1px solid gray;
                padding: 10px;
            }

            article {
                float: left;
                width: 70%;
                padding: 8px;
                box-sizing: border-box;
                border: 2px solid gray;
            }