styles.css

.commit {
    border-bottom: 1px solid #ccc;
    padding-bottom: 5px;
}

.commit .media-heading a {
    color: #333;
    text-decoration: underline;
}

#graph svg {
    display: block;
    width: 100%;
}

#graph .tick-line {
    stroke: #000;
    stroke-opacity: 0.1;
    stroke-width: 1px;
}
#graph .timeline-group-title {
    font-size: 18px;
}
#graph .timeline-group-cover {
    fill: rgb(246, 245, 243);
    shape-rendering: crispEdges;
}

#graph .axis {
    font-size: 14px;
}

#graph .axis path {
    fill: none;
}
#graph .axis path, #graph .axis line {
    fill: none;
    stroke: black;
    shape-rendering: crispEdges;
}

#graph .point {
    fill: steelblue;
}