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