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