main.css

html, body {
    margin: 0;
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif !important;
}

#container {
    min-width: 960px;
    margin: auto;
    width: 1%;
    border: 1px solid gray;
    padding: 10px;
    margin-bottom: 5em;
}

.land {
    fill: #f7f7f7;
    stroke: #ccc;
}

.state-boundary {
    fill: none;
    stroke: #bbb;
}

circle {
    fill: none;
    opacity: .9;
/ / stroke: #c43030;
}

circle.c0 {
    fill: #3d9bd2;
/ / stroke: #fff;
}

circle.c1 {
    fill: #bb301f;
/ / stroke: #fff;
}

#map circle {
    opacity: .65;
}

#map circle:hover {
/ / stroke: black;
    stroke-width: 2;
}

#map-container {
    margin: auto;
    width: 100%;
}

#date, #play, #slider-container {
    display: inline-block;
    vertical-align: middle;
    margin-top: 0;
}

#date {
    border-left: 5px solid #ccc;
    padding: 3px 0 3px 10px;
    margin-left: 0px;
    color: #333;
}

#date p {
    margin: 0;
}

#date p:first-child {
    color: #999;
    font-size: 11px;
    line-height: 13px;
}

#date p#month span {
    float: left;
    width: 2.55em;
}

#play {
    width: 53px;
    height: 53px;
    background-image: url(res/play.png);
    border-radius: 1px;
    margin-left: 10px;
    cursor: pointer;
}

#play:hover {
    background-position: 0 -53px;
}

#play.pause {
    background-image: url(res/pause.png);
}

#slider-container {
    position: relative;
}

#slider-div {
    /*set this equal to sliderMargin in code*/
    margin-left: 100px;
    margin-top: -75px;
}

#slider-probe {
    position: absolute;
    top: -100px;
    font-size: 12px;
    width: 70px;
    margin-left: -35px;
    z-index: 0;
    display: none;
}

#slider-probe p {
    margin: 0;
    width: 100%;
    text-align: center;
    height: 15px;
}

#slider-probe div {
    height: 15px;
    margin-left: 35px;
    border-left: 1px solid #999;
}

#axis path {
    fill: none;
}

#axis .tick line {
    stroke: #999;
}

#axis .tick text {
    font-size: 12px;
}

#probe {
    position: absolute;
    background-color: white;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
    width: 20em;
    display: none;
    font-size: 12px;
    -webkit-box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.25);
    -moz-box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.25);
    box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.25);
}

#probe strong {
    font-size: 16px;
}

#probe span {
    color: #999;
    display: block;
}

#legend text {
    font-size: 12px;
}

svg text {
    fill: #666;
}

h1, h2, #intro {
    text-align: center;
    font-weight: normal;
}

h1 {
    font-size: 30px;
    margin: 20px;
    color: #1a1a1a;
}

h2 {
    font-size: 18px;
    color: #999;
    margin: 15px;
}

#intro {
    width: 800px;
    margin: auto;
    font-size: 12px;
    font-style: normal;
    font-variant: normal;
    font-weight: normal;
    line-height: 18px;
}

#source {
    color: #999;
    font-size: 12px;
    margin-left: 60px;
    margin-top: 20px;
}

#loader {
    width: 100%;
    background: rgba(255, 255, 255, .75) url(res/ajax-loader.gif) no-repeat center center;
    position: absolute;
    z-index: 500;
}