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