style.css

h1 {
        font-family: "Trebuchet MS", Helvetica, sans-serif;
    }
p {
    font-family: "Trebuchet MS", Helvetica, sans-serif;
}
button {
    background-color: white;
    border:2px solid #4d6ddb;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    border-radius: 4px;
}
button:hover {
    background-color: rgba(77, 109, 219, 0.4);
    color: black;
}
button:focus {
    outline: none;
}
button.pressed {
    background-color: #4d6ddb;
    color: white;
}
#tooltip {
    position: absolute;
    width: auto;
    height: auto;
    padding: 6px;
    background-color: white;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    pointer-events: none;
    -webkit-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
    -moz-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
    }
#tooltip.hidden {
    display: none;
    }
#tooltip p {
    margin: 0;
    font-family: sans-serif;
    font-size: 14px;
    line-height: 20px;
    }
.tag {
    pointer-events: none;
}
path.line {
    stroke-width: 2;
    fill: none

}
#area1 {
    float: left;
}
#area2 {
    float: right;
}
.legend {
    font-size: 14px;
    font-weight: bold;
    text-anchor: left;
}