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