.wrapper { float: none;}

header nav main footer {display: block} /* for compatibility */
nav {display:none; }
body {background-color: aqua; }
header {background-color: lightcoral; text-align: center; height: 100px;  }
main {background-color: lightgreen;  margin-top: -2.8%; }
.italicspan {font-style: italic;} 
.pagetitle {font:bold; font-size: 2.6em}