input, textarea { color: #333; font-size: 16px; }
#signup { border: none; margin-left: 26px; margin-top: 8px; }
#signin { border: none; }
#maincontent { float: left; width: 660px; text-align: center; }
#rightcontent { float: left; width: 240px; }
.top10 h1 { font-size: 24px; color: #3c3; }
.top10 h2 { font-size: 20px; color: #3c3; }
.top10 h3 { font-size: 16px; color: #3c3; }
.top10 h4 { font-size: 12px; color: #3c3; }

.top10 { text-align: left; }
.top10 ul { list-style: none; margin: auto; margin-left: 0; float: none; width: 550px; }
.top10 li { float: none; text-align: left; font-size: 16px; font-weight: bold; margin-top: 8px; }