body {
    background-color: #000000;
    color: #ffffff;
}
.post {
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    margin: 0 auto;
    max-width: 640px;
}
img {
    max-width: 100%;
}
.content {
    font-size:1.5em;
}
a {
    color: #ffffff;
    text-decoration: none ;
}
a:hover {
    text-decoration: underline;
}
.twitter-tweet {
    margin: 0 auto;
    max-width: 640px;
}