svg {
    overflow: visible; /* show axes that extend beyond svg */
    margin-left: 20px; /* move bar to the right to see left axis */
}
rect {
    stroke: white; /* space between bars */
    stroke-width:1px;
}
#bottom-axis text {
    transform:rotate(45deg); /* rotate bottom axis text so it's visble */
    text-anchor: start; /* point of rotation should be beginning of text, not middle */
}