The overrides we use for CSS on our own ScreenSteps site

Our ScreenSteps Overrides.css

#screensteps-content-wrapper { margin-top: 40px; font-size: 14px;}
#screensteps-content-wrapper li ul, 
#screensteps-content-wrapper li ol { margin: 0 1.5em; }
#screensteps-content-wrapper ul { list-style: disc; }
#screensteps-content-wrapper ol { list-style: decimal; }
#screensteps-content-wrapper { line-height:normal;}
#screensteps-content-wrapper a { text-decoration:underline;}
#screensteps-content-wrapper ul li, 
#screensteps-content-wrapper ol li { margin-bottom: 10px; }
#screensteps-content-wrapper .asset-list li a { line-height: 19px;}
#screensteps-content-wrapper .asset-list li { line-height: 19px;}
#screensteps-content-wrapper a { color: #1a51c6;}
#screensteps-content-wrapper a:visited { color: #303030;}
#screensteps-content-wrapper h1, #screensteps-content-wrapper h2 { font-weight:bold;}
#screensteps-breadcrumb {
    font-size: 14px;
}
#screensteps-document ol, #screensteps-document ul { margin: 0 0 1.5em 1.5em;}
#screensteps-content-wrapper li ol
#screensteps-content-wrapper .screensteps-next-prev-navigation * { font-size: 12px; line-height: 16px; text-transform: none;}
#screensteps-content-wrapper .screensteps-next-prev-navigation ul { list-style: none; }
#screensteps-content-wrapper b, #screensteps-content-wrapper strong { font-weight: bold;}
#screensteps-content-wrapper h1 { font-size: 36px; font-weight: bold; line-height: 1.2em;}
#screensteps-steps .image img {padding: 5px 0;}
#screensteps-steps .image { background: transparent; border-width: 0;}
#screensteps-content-wrapper h1.manual { background: url("/images/icon-book-large.png") no-repeat left 5px; }

#screensteps-document table {
  max-width: 100%;
  background-color: transparent;
  border-collapse: collapse;
  border-spacing: 0;

  width: 100%;
  margin-bottom: 20px;
  border: 1px solid #dddddd;
}
#screensteps-document table th, 
#screensteps-document table td {
  padding: 8px;
  line-height: 20px;
  text-align: left;
  vertical-align: top;
  border: 1px solid #dddddd;
}

#screensteps-document table th {
  font-weight: bold;
}