style.css

*{
    margin: 0;
    padding: 0;
}
body{
    font-family: Arial;
    font-size: 15px;
    line-height: 1.5em;
    background:#f4f4f4;
}
#container{
    background-color: #333333;
    margin: 50px auto;
    overflow: auto;
    width: 60%;
    min-height: 400px;
}
header h1 {
    color: white;
    font-size: 22px;
    padding: 15px 0 10px 10px;
    border-bottom: 1px solid white;
}
#shouts{
    width: 90%;
    background: lightgray;
    height: 400px;
    margin: 20px auto;
    overflow: auto;
}
.shout{
    list-style: none;
    padding: 0px;
    border-bottom: 1px #cccccc dotted;
}
.shout span{
    color: #aaaaaa;
}
#input{
    width: 90%;
    min-height: 80px;
    margin: auto;
    padding: 0;
}
#input input[type='text']{
    height: 25px;
    width: 48%;
    padding: 3px;
    margin-bottom: 20px;
    border: #666666 solid 1px;
}