Myriad Pro in action on apple.com

Under the hood

.header-1 { font-family: 'Myriad Set Pro'; font-size: 85px; font-style: normal; font-weight: 100; letter-spacing: -1px; line-height: 80px; text-transform: none; color: #000000; }
.content-1 { font-family: 'Myriad Set Pro'; font-size: 21px; font-style: normal; font-weight: 200; letter-spacing: normal; line-height: 31px; text-transform: none; color: #222222; }
.content-2 { font-family: 'Myriad Set Pro'; font-size: 24px; font-style: normal; font-weight: 200; letter-spacing: normal; line-height: 33px; text-transform: none; color: #222222; }