h1 {
    text-align: center;
    font-size: 2em;
}

h2 {
    text-align: center;
    font-size: 1.2em;
}

#tweets {
    height: 300px;
    width: 400px;
    overflow: auto;
    position: relative;
    border: solid 1px #999;
    margin: 3em auto 0 auto;
}

.tweet {
    margin: 5px 5px 5px 5px;
    padding: 10px;
    border: solid 1px #777;
    border-radius: 3px;
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    background-color: #fafafa;
}

.loader {
    background-image: url('ajax-loader.gif');
    width: 400px;
    height: 300px;
    background-repeat: no-repeat;
    background-position: center center;
    position: fixed;
}

.hidden {
    display: none;
}