Element block pseudo-element :before generated with text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto opacity 0.55 transform transition padding 17px height auto width 100px border-radius background border 0px rgba(0,0,0,1) solid box-sizing content-box float left cursor pointer font-size 16px position absolute line-height 1 display inline-block box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 15px font-weight normal overflow hidden