body {
    background: #333;
    font-family:Helvetica,Verdana,Tahoma,Calibri,sans-serif;
}

h1, h2 {
    color: #ffa;
    margin-bottom:30px;
    font-family:PT Serif,Crimson Semibold,Garamond,Georgia;
}

h3 {
    color: #fa2;
}

h4 {
    color: #a8f;
}

h4 em {
    text-decoration: underline;
    font-style:normal;
}

p {
    color:#eee;
}

ul, li {
    color: #ffa;
}

label {
    color: #fff;
    line-height:32px;
}

input[name=comments] {
    width:300px;
}

p.error {
    color:#ff0;
    background:#c00;
    display:inline-block;
    padding:3px 10px;
    font-weight:bold;
}

a {
    color:#d8f;
}

a.share_link {
    color:#b00;
    background:#6e0;
    display:inline-block;
    padding:3px 10px;
    font-weight:bold;
}

span.share_this {
    color:#0af;
}

img.block_diagram {
    max-width:800px;
}

img {
    max-width:96%;
}

.img_thumb {
    max-width:240px;
    margin-bottom:5px;
    margin-right:5px;
}

.img_large {
    width:1200px;
    max-width:96%;
}

.img_medium {
    width:800px;
    max-width:90%;
}