Element button pseudo-class :active generated with background box-sizing content-box position static border 0px rgba(0,0,0,1) solid font-weight normal z-index auto padding 5px display block transform width 45px text-shadow float none margin 0px border-radius line-height 1 box-shadow -2px 2px 1px rgba(255,255,255,0.1) font-size 40px cursor default transition overflow hidden height 45px