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