Element block pseudo-element :after generated with margin auto border 0px rgba(0,0,0,1) solid line-height normal padding auto border-radius z-index display block transform font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) height 25% width 100% box-shadow 1px 1px 1px rgba(0,0,0,0.3) position relative box-sizing content-box float none background overflow hidden transition cursor default font-size 16px