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