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