.bottombar { filter:alpha(opacity=40); -moz-opacity:0.4; -khtml-opacity: 0.4; opacity: 0.5; background-color : #3275a8; bottom : 0; right: 10px; color : #b2d487; font-size : 1em; position : fixed; } .bottombar:hover{ filter:alpha(opacity=90); -moz-opacity:0.9; -khtml-opacity: 0.9; opacity: 0.9; }