.panels.container { border: solid black 1px; }
.panels.clear { clear: both; }
.panels.top { background: lightgreen; padding: 0; margin: 0; }
.panels h1 { padding: 0; margin: 0; }
.panels.left { float: left; width: 25%; overflow: hidden; }
.panels.right { float: right; width: 25% }
.panels.body { float: left; width: 49%; }
.panels.bottom { clear: both; }