.center {margin-left: 10%; margin-right: 10%} P.center { text-align: center; font-family: helvetica, sans-serif; } P { margin-left: 2%; margin-right: 2% text-align: left; font-family: italic, verdana, sans-serif; } table { width: 80%; border-width: 2px; border-style: groove; font-family: italic; } th { font-size: 1.2em; color: #DCDCDC; background-color: blue; } body {background: white} h1 {color: yellow; font-size: 250%; text-align: center} td { color: black; background-color: blue; border-width: 4px; border-style: groove; padding: 0.5em; } h1 { color:black; background-color: blue; font-family: verdana, sans-serif; text-align: center; } h3 { color:black; background-color: blue; font-family: verdana, sans-serif; padding-left: 1.2em; margin-top: 2.5em; } h4 { font-weight: 900; }