#container {
    max-width: 768px;
    margin: auto;
}

#main {
    width: 100%;
    text-align: center;

}

img {
    max-width: 100%;
    margin: auto;
    margin-bottom: 1em;
}

.chart1 {
    margin-top: 2em;
    border-bottom: 1px solid;
}
figcaption{
    font-weight: bold;
    font-size: 24px;
}
p{
    text-align: left;
    margin-left: 0.5em;
    margin-bottom: 1em;
}
h1{
    text-align: center;
    font-size: 24px;
}