body {
  background-color: #EEEEE9;
}

body.gray {
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
}

.navbar-height {
    height: 50px;
    background-color: #000000;
}

.banner {
  height: 300px;
  background-image: url(/images/earth.jpg);
  background-repeat: no-repeat;
  background-position: top center;
  background-color: #000000;
  color: #FFFFFF;
}
.banner small{color: #FFFFFF;}

.footer {
  position: absolute;
  text-align: center;
  background: #000000;
  margin-top: 1em;
  margin-bottom: 0px;
  width: 100%;
  padding-top: 1em;
  padding-bottom: 1em;
  color: #EEEEEE;
}

/* for post display */

.post{
    padding-bottom: 5em;
}

.post code{
    font-family: monospace !important;
}

.post blockquote,.highlighter-rouge{
    font-size: 1em;
    background: none;
    margin: 2em 0em 2em 0em;
}

.post h5{
    font-weight: bold;
    text-align: center;
}

.post table{
    border-collapse: collapse;
    border-width: 2px 0px 2px 0px;
    border-style: solid;
    border-color: black;
    width: 100%;
    margin-top: 2em;
    margin-bottom: 2em;
}

.post thead {
    border-width: 0px 0px 1px 0px;
    border-style: solid;
    border-color: black;
}

.post td, th {
    padding: 5px 8px 5px 8px;
}

.post h2,h3,h4,h5{
    line-height: 2.5em;
}

.post h3{
    border-bottom: #AAAAAA 1.5px solid;
    margin-bottom: 1em;
}

.post h4{
    margin-bottom: 0.5em;
    margin-top: 0.5em;
    font-weight: bold;
}

.post hr{
    border: #AAAAAA 1.5px dashed;
}

.post img{
    margin: 2em 0em 2em 0em;
}

/* for posts list */

.posts {
  list-style-type: none;
  margin-bottom: 2em;
}

.posts li {
  line-height: 1.75em;
}

.posts span {
  color: #aaa;
  font-family: Monaco, "Courier New", monospace;
  font-size: 80%;
}