.browser-mockup{border-top:2em solid hsla(0,0%,90%,.7);position:relative;height:100%}.browser-mockup:before{display:block;position:absolute;content:"";top:-1.25em;left:1em;width:.5em;height:.5em;border-radius:50%;background-color:#f44;box-shadow:0 0 0 2px #f44,1.5em 0 0 2px #9b3,3em 0 0 2px #fb5;opacity:.8}