Proxima Nova in action on flatiron.co

Under the hood

.header-1 { font-family: proxima-nova, sans-serif; font-size: 45px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 72px; text-transform: none; color: #A231EF; }
.header-2 { font-family: proxima-nova, sans-serif; font-size: 14px; font-style: normal; font-weight: 600; letter-spacing: 5px; line-height: 18px; text-transform: uppercase; color: #A231EF; }
.content-1 { font-family: proxima-nova, sans-serif; font-size: 20px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 39px; text-transform: none; color: #FFFFFF; }