footer {
    background: #CCC;
    color: #222;
    padding: 0px;
    text-align: center;
}

header {
    background: #CCC;
    color: #222;
    padding: 2px;
    text-align: center;
}

body {
    text-align: center;
    font-family: sans-serif;
}

section{
    padding-left: 5%;
    padding-right: 5%;
}

#timeline {
    max-width: 50%;
    margin: auto;
}

.timeline-item {
    border-left: 3px solid #444;
    padding: 20px;
    margin: 20px 0;
    background: #f4f4f4;
}