html {overflow-y:scroll;}
html, body { height: 99%;}
body { display: flex; flex-direction: column; margin:0 auto; padding:0 10px; }
.content { flex: 1 0 auto;}
.footer { flex-shrink: 0; text-align:center; }
.selected {background:#8e8; }
/* Calendar */
.monthday {position:relative; width:40px; height:40px; text-align:center; font-size:0.8em; border-radius:8px; display:inline-block; line-height:16px; vertical-align:top;}