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