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