#video {
  margin: 20px 30px 10px 30px;
  height: 280px;
}

#leftColumn, #rightColumn {
  text-align: left;
}

#leftColumn {
  float: left;
  width: 50%;
  margin-right: -50%;
}

#rightColumn { 
  float: right;
  width: 50%;
}

.slimContainer { 
  width: 460px;
  height: 31em; 
  margin: 1.125em auto 1em auto;
}

.slim {
  width: 220px;
  float: left; 
  margin: 4px;
}

.wide {
  width: 440px;
  margin: 0.75em auto;
}

.wide .content { 
  background-image: url(/images/widebox_base.gif); 
  height: 10.625em;  
}
.slim .content { 
  background-image: url(/images/slimbox_base.gif); 
}

.roundBox h2 { 
  padding-top: 8px;
  background-repeat: no-repeat;
  background-position: top center; 
  height: 25px;
  margin: 0;
  text-align: center;
  border: 0;
  color: #313231;
}

.wide h2 { background-image: url(/images/widebox_header.gif); }
.slim h2 { background-image: url(/images/slimbox_header.gif); }

.roundBox p, .roundBox li { font-size: 0.965em; }

.roundBox h3 { margin-bottom: 0; }
.roundBox h4 { 
  margin-bottom: 0.75em; 
  font-weight: normal;
  font-size: 0.875em;
}

.roundBox div { 
  padding: 0.625em; 
  margin: 0;
  background-repeat: no-repeat;
  background-position: bottom center;
}

#concepts {
  height: 280px;
  width: 440px;
  padding: 14px;
  margin: 0 auto;
}

#concepts .left { 
  margin-right: 8px;
}

#concepts p { 
  line-height: 1.5em; 
  padding-top: 0.5em;
}