html, body {
  margin: 0;
  width: 100%; 
  background-color: #f8f8f8;
  
  -webkit-box-sizing: border-box; /* Safari/Crome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
}

body {
  padding: 20px;
  font-family: "Helvetica Neue", "Arial", "Lucida Grande", "Lucida Sans Unicode", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-width: 440px;
} 

h1, h2, h3 {
  padding: 0;
  font-family: 'PT Sans', sans-serif;
  margin: 0;
  line-height: 1;
}

h1 {
  font-size: 40px;
  text-transform: uppercase; 
}

h2 {
  text-transform: uppercase;  
}

dl:nth-child(even) {
  background-color: #eee;
}

dt, dd {
  display: inline; 
  margin: 0;
  padding: 0;
}

dt {
  font-weight: bold;  
}

dd {
  color: #555;  
}

dd:before {
  content: '\2014\00a0';
}

#items h2 {
  color: #333;
  padding: 5px 0;
  text-transform: uppercase;
  font-size: 20px;
  border-bottom: 2px solid #999;
  font-weight: bold;
}

#items h3 {
  margin-top: 10px;
  color: #333;
  font-size: 16px;

}

ul, ol, li {
  padding: 0;
  margin: 0;
  list-style: none;
}

.clearfix:after {
   content: " "; /* Older browser do not support empty content */
   visibility: hidden;
   display: block;
   height: 0;
   clear: both;
}

/* ================================== */

#header {
  background-color: #222;
  width: 100%;  
  border-radius: 3px;
  padding: 2px;
  
  -webkit-box-sizing: border-box; /* Safari/Crome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
}

#logo {
  float: left;
  font-size: 32px;
  color: #ddd;
  text-decoration: none;
  text-transform: uppercase;
  /*
  background-image: url("../img/cheat-sheet-brain.png");
  background-repeat: no-repeat;
  */

  display: inline-block;
  /*padding-left: 110px;*/
  padding: 20px;
  overflow: hidden;
  
  -webkit-box-sizing: border-box; /* Safari/Crome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
}

#headerAd {
  float: right;
  display: inline-block;
  height: 90px;  
}

.crumbs {
  margin-top: 10px;
}
.crumbs li {
  float: left;
}

.crumbs a {
  text-decoration: underline;
  color: #888;
}

.crumbs li {
  text-decoration: none;
  color: #888;
}

.crumbs a:hover {
  color: #333;
}

.crumbs li:before {
  content: '\0000a0>\0000a0';
}

h1 {
  margin-top: 20px;
}

#items pre.prettyprint {
  background-color: #eee;
  border: 0;
  margin: 10px 0 10px 0;
}

#items {
  margin-top: 20px;
}

.item {
  width: 360px;
  background-color: #f8f8f8;
  margin-bottom: 20px;
}

/*
.item h3:before {
  content: '\2022\00a0'
}

*/

.item a {
  text-decoration: underline;
  color: #333;  
}

.item img {
  border-radius: 3px;
}

#edit {
  height: 80px;
  background-image: url('../img/edit.png');
  background-repeat: no-repeat;
  display: inline-block;
  color: black;
  text-decoration: none;
  font-size: 30px;
  line-height: 34px;
  padding: 5px 0 0 90px;
  opacity: 0.75;
}

#socialContainer {
  display: inline-block;
  float: right;
  margin-top: 8px;
  opacity: 0;
  
  -webkit-transition: all ease-out 0.5s;
     -moz-transition: all ease-out 0.5s;
       -o-transition: all ease-out 0.5s;
          transition: all ease-out 0.5s;
}
#socialContainer li {
  float: left;
  margin-right: 10px;
}

#twitterContainer {
  min-width: 56px;
}
#facebookContainer {
  min-width: 47px;
}
#googleContainer {
  min-width: 50px;
}

#intro {
  max-width: 960px;
}

#moreCheatSheets {
  background-color: #eee;
  padding: 15px;
  border-top: 1px solid #ccc;
  margin-top: 20px;
}
#moreCheatSheets h2 {
  font-size: 30px;
}

#moreCheatSheets ul {
  margin-top: 10px;
}

#moreCheatSheets li {
  display: inline-block;
  float: left;
  border: 2px solid #bbb;
  padding: 4px;
  background-color: white;
  opacity: 0.9;
  margin: 0 10px 10px 0;
}

#moreCheatSheets li:hover {
  opacity: 1
}

#moreCheatSheets img {
  float: left;
}

@media (max-width: 768px) {
  #headerAd {
    display: none;
  }
}