body {
margin:10px;
padding:0;
font-family:Arial, Helvetica, sans-serif;
font-size: .85em;
line-height:1.5em;
color: #333333;
}

p {
margin:4px 0 6px 0;
padding-bottom: 15px;
}

strong {
font-weight:bold;
}

em {
font-style:italic;
}

h1, h2, h3, h4 {
font-weight:bold;
margin:10px 0 0 0;
}

h1 {
font-size:x-large;
color: #333333;
padding-bottom: 15px;
}

h2 {
font-size:medium;
color: #006699;
padding-bottom: 15px;
}

h3 {
font-size:small;
color: #006699;
}

h4 {
font-size:xx-small;
color: #006699;
}

a:link, a:visited, a:active  {
font-size: small;
color:#006699;
text-decoration:none;
}

a:hover{
font-size: small;
color:#006699;
text-decoration:underline;
}

ul {
font-size: small;
margin:5px 0 5px 20px;
padding:0;
list-style-type:none;
}

ol {
margin:5px 0 5px 30px;
padding:0;
list-style-type:none;
}
ul li, ol li {
font-size:small;
margin:0 0 4px 0;
padding:0;
}
#mainContainer {
margin:0 auto;
padding:0;
width:900px;
border:1px solid #454545;
}
#header {
margin:0;
padding:5px;
width:890px;
height:118px;
color:#ffffff;
background-color:#000000;
background-image: url(AC-ebook-header.jpg);
background-repeat: no-repeat;
background-position: center top;
}
#navHorizontal {
margin:0;
padding:0;
width:900px;
height:30px;
line-height:30px;
background-color:#FFFFFF;
text-align: right;
border-bottom-color: #0099CC;
border-bottom-style: solid;
border-bottom-width: medium;
}
#navHorizontal ul {
margin:0 0 0 5px;
padding:0;
list-style:none;
background-color:#FFFFFF;
}
#navHorizontal ul li {
font-family:Arial, Helvetica, sans-serif;
font-size:small;
list-style:none;
display:inline;
padding: 5px 0 0 5px;
}
#navHorizontal ul li a:link, #navHorizontal ul li a:visited, #navHorizontal ul li a:active {
font-family:Arial, Helvetica, sans-serif;
font-size:small;
padding:5px 8px 5px 8px;
color:#333333;
text-decoration:none;
}
#navHorizontal ul li a:hover {
font-family:Arial, Helvetica, sans-serif;
font-size:small;
color:#333333;
text-decoration: underline;
}
#columnOne {
float:left;
width:150px;
background-color:#FFFFFF;
border-right-width:2px;
border-right-style: dashed;
border-right-color: #B9E3FF;
margin-top:20px;
padding-top: 0px;
padding-right: 5px;
padding-bottom: 15px;
padding-left: 10px;
margin-right: 0;
margin-bottom: 0;
margin-left: 0;
}
#columnOne p, #columnThree p, #columnOne ul li, #columnOne ol li, #columnThree ul li, #columnThree ol li {
font-size:13px;
}
#columnOne h2, #columnThree h2 {
font-size:16px;
}
#columnTwo h1 {
font-style:italic;
line-height: inherit;
}
#navVertical {
font-size: small;
width:145px;
margin-top: 0;
margin-right: -5px;
margin-bottom: 0;
margin-left: -5px;
padding-top: 0;
padding-right: 0;
padding-bottom: 0;
padding-left: 0;
}
#navVertical ul {
font-size: small;
margin:0 0 0 5px;
padding:0;
list-style:none;
}
#navVertical ul li {
padding:0;
font-size: small;
margin-top: 0;
margin-right: 0;
margin-bottom: 0;
margin-left: -5px;
}
#navVertical ul li a:link, #navVertical ul li a:visited, #navVertical ul li a:active {
font-size: small;
color:#006699;
text-decoration:none;
font-size: x-small;
}

#navVertical ul li a:hover {
font-size: small;
color:#454545;
text-decoration:none;
background-color:#ffffff;
font-size: x-small;
}
#navVertical ol {
font-size: small;
margin:0 0 0 5px;
padding:0;
list-style:none;
}
#navVertical ol li {
padding:0;
font-size: small;
margin-top: 0;
margin-right: 0;
margin-bottom: 0;
margin-left: 25px;
list-style-image: url(activechem_se/art/pdficon_xsmall.jpg);
}
#navVertical .ol2 li {
padding:0;
font-size: small;
margin-top: 0;
margin-right: 0;
margin-bottom: 0;
margin-left: 25px;
list-style-image: url(activechem_se/art/pdficon_xsmall.jpg);
}
#navVertical ol li a:link, #navVertical ul li a:visited, #navVertical ul li a:active {
font-size: small;
color:#006699;
text-decoration:none;
font-size: x-small;
}
#navVertical ol li a:hover {
font-size: small;
color:#333333;
text-decoration:none;
background-color:#ffffff;
font-size: x-small;
}
#columnTwo {
float:left;
margin:0;
width:500px;
padding-top: 0px;
padding-right: 22px;
padding-bottom: 10px;
padding-left: 22px;
margin-top:20px;
border-right-width:2px;
border-right-style: dashed;
border-right-color: #B9E3FF;
}
#columnThree {
float:left;
width:160px;
background-color:#FFFFFF;
margin-top:20px;
padding-top: 0px;
padding-right: 10px;
padding-bottom: 10px;
padding-left: 10px;
margin-right: 0;
margin-bottom: 0;
margin-left: 0;
}
#columnThree ol li {
list-style-image: url(pdficon_xsmall.jpg);
}
#columnThree ul li {
list-style:none;
}
#footer {
margin:0;
height:50px;
font-size:x-small;
color:#333333;
background-color:#FFFFFF;
clear: both;
}
#footer a:link, #footer a:visited {
color:#333333;
text-decoration:none;
}
#footer a:hover, #footer a:active {
color:#333333;
text-decoration:underline;
}
.clearfix:after {
display: block; 
height: 0; 
clear: both; 
visibility: hidden;
}
* html .clearfix {height: 1%;}
.clearfix {display: block;}
#mainContainer #columnTwo img {
padding-bottom: 20px;
padding-left: 20px;
padding-right: 20px;
}
.subhead {
font-size: x-small;
font-weight: bold;
color: #0099CC;
}
.rollover a {
display: block;
cursor: pointer;
outline: transparent solid 0px;
text-decoration: none;
}
#nbtn a{
height: 31px;
width: 148px;
background: url(../../art/on_video_s.png) no-repeat left top;
}
#nbtn a:hover{
background-position: left -31px;
background: url(../../art/over_video_s.png) no-repeat left top;
}