Element block pseudo-element :before generated with opacity 0.63 border 2px rgba(0,0,0,1) solid transform border-radius cursor default z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow font-size 16px float none height 400px overflow hidden box-sizing content-box padding 10px display block position absolute transition background font-weight normal line-height 1 width 400px margin 500px