Element button pseudo-element :before generated with overflow hidden line-height 1 transition height auto background padding 20px transform position static float none border-radius margin 0px font-weight normal font-size 16px box-sizing content-box width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block z-index auto