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