/* Clear calendar's float */
#container .bd:after {content:".";display:block;clear:left;height:0;visibility:hidden;}

/* Have calendar squeeze upto bd bounding box */
#container .bd {padding:0;}

/* Remove calendar's border and set padding in ems instead of px, so we can specify an width in ems for the container */
#cal {border:none;padding:1em}

/* Example box */
.box {position:relative;height:30em;}