#navigation {                position: absolute;        top: 10;        left: 10;        width: 10em;		background-color:red }#content {        margin-left: 7em;		margin-right: 7em;}p {        line-height: 1.5em;		background-color:white; 		border-bottom-style: none;        border-bottom-width: 0.5em;        border-bottom-color: #white;		padding: 0.1em;        padding-left: 2em;		margin-right: 2em}table {        background-color: #ccc;}h1 {        color: #ffc;        background-color: #900;        font-size: 2em;        margin: 0;        margin-bottom: 0.0em;        padding: 0.0em;        font-style: italic;        text-align: center;        letter-spacing: 0.0em;        border-bottom-style: solid;        border-bottom-width: 0.5em;        border-bottom-color: #c00;}h2 {        color: black;        background-color: yellow;        font-size: 1.3em;        margin: 0;        padding: 0.1em;        padding-left: 1em;}