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span:last-child{max-width:320px}.skip{position:absolute;left:15px;top:-100px;background:var(--paper);color:var(--green);padding:12px;z-index:100}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){.mast{padding:20px 6%}.mast a span{display:none}main{padding-top:26px}.panel{padding-top:36px}.enhanced .panel{min-height:540px}.index-mark{display:none}.copy{font-size:22px}.premise{font-size:21px}.play-list{grid-template-columns:1fr}.certificate{padding:30px 6%;border-width:6px}.course-brand{font-size:10px}.certificate p:not([class]){font-size:17px}footer{flex-direction:column;gap:12px}}@media 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