.align-left    { text-align: left; }
.align-right   { text-align: right; }
.align-center  { text-align: center; }
.align-justify { text-align: justify; }

.youtube-video      { width: 425px; height: 344px; }
.google-docs-viewer { width: 600px; height: 780px; }

pre {
    margin-bottom: 1.5em;
    color: #d0d0d0;
    background-color: #202020;
    overflow: auto;
    padding: 5px;
}

img {
    max-width: 100%;
}

h1 a {
    text-decoration: none;
    color: #666666;
}

h2 a {
    text-decoration: none;
    color: #111111;
}

h2 a:hover {
    text-decoration: underline;
}