$('#demo_box').popmenu({parameters});
You can use parameters below.
{
'controller': true, // use control button or not
'width': '300px', // width of menu
'background': '#34495e', // background color of menu
'focusColor': '#1abc9c', // hover color of menu's buttons
'borderRadius': '10px', // radian of angles, '0' for right angle
'top': '50', // pixels that move up
'left': '0', // pixels that move left
'iconSize': '100px' // size of menu's buttons
}