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