Element button pseudo-element :before generated with line-height 1 border 0px rgba(0,0,0,1) solid z-index auto transform overflow visible padding 0px text-shadow cursor default width 100% height auto box-sizing border-box display block float none border-radius margin 0px font-size 16px outline none box-shadow 1px 1px 1px rgba(0,0,0,0.3) opacity 0.55 position relative background font-weight normal transition