Element button pseudo-element :before generated with margin 0px border 0px rgba(0,0,0,1) solid font-weight normal border-radius transition z-index auto line-height 1 padding 24px overflow hidden display block box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 160px height 0px float none cursor default position static font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) background transform