An improved version of the Solarized theme for reveal.js (v2.6.2). Add to css/theme folder of reveal.js package.

solarized_improved.css

@import 'solarized.css';
/**
 * Improved Solarized Light theme for reveal.js.
 * Author: Shane Martin (origin author: Achim Staebler)
 * Requires solorized.css theme (comes pre-installed)
 */

/* Large font */
.reveal {
  font-size: 30px; }

/*********************************************
 * HEADERS
 *********************************************/
.reveal h1 {
  font-size: 3.5em; }
.reveal h2 {
  font-size: 3em; }
.reveal h3 {
  font-size: 2.4em; }
.reveal h4 {
  font-size: 1.8em; }
.reveal h5 {
  font-size: 1.5em; }
.reveal h6 {
  font-size: 1.2em; }

/*********************************************
 * DEFAULT ELEMENT STYLES
 *********************************************/
.reveal p {
  margin-bottom: 1.2em; }
.reveal p code, .reveal ol code, .reveal ul code {
  background: #eee8d5;
  font-size: 0.9em;
  padding: 0 4px; }
.reveal dl dt {
  font-weight: bold;
  font-size: 1.2em;
  margin-bottom: 0.2em; }
.reveal dl,
.reveal ol,
.reveal ul {
  margin-bottom: 0.7em; }
.reveal li {
  margin-bottom: 0.5em; }
  .reveal li ul {
    margin-left: 3em;
    line-height: 1.2; }
  .reveal li li:first-child {
    margin-top: 0.5em; }
.reveal pre {
  background: #eee8d5;
  box-shadow: none;
  font-size: 0.8em;
  margin-bottom: 1.2em;
  padding: 8px; }
  .reveal pre code {
    padding: 0; }
.reveal blockquote {
  background: #eee8d5;
  box-shadow: none;
  margin-bottom: 1.2em;
  max-width: 42em;
  padding: 0.8em;
  width: auto; }
  .reveal blockquote p {
    margin-bottom: 0; }


/*********************************************
 * STRETCHING HELPER
 *********************************************/
 .stretch p {
   height: 100%; }