About half the menu is off the bottom of the screen. This made it fit nicely, and it still looked OK. Besides... you should detect that your site is being accessed by a mobile device, and load different CSS.

div.sys-v4-mm-btn-cnt {
font-size: 14px;
font-weight: bold;
height: 26px;
line-height: 26px;
text-align: left;
text-indent: 0;
text-shadow: 0 1px 0 #FFFFFF;
}

div.sys-v4-mm-subitem div.sys-v4-mm-btn-cnt {
font-size: 12px;
font-weight: normal;
see more height: 20px;
line-height: 20px;
text-indent: 20px;
}