Element button pseudo-class :active generated with overflow hidden width 45px margin 0px font-weight normal border 0px rgba(0,0,0,1) solid position static padding 5px display block box-shadow -2px 2px 1px rgba(255,255,255,0.5) background font-size 40px cursor default z-index auto border-radius text-shadow transition float none line-height 1 box-sizing content-box height 45px transform