Proxima Nova in action on wholedesignstudios.com

Under the hood

.header-1 { font-family: proxima-nova, sans-serif; font-size: 40px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 48px; text-transform: none; color: #444444; }
.header-2 { font-family: proxima-nova, sans-serif; font-size: 16px; font-style: normal; font-weight: normal; letter-spacing: 2px; line-height: 30px; text-transform: uppercase; color: #888888; }
.content-1 { font-family: proxima-nova, sans-serif; font-size: 16px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 24px; text-transform: none; color: #444444; }
.content-2 { font-family: proxima-nova, 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-weight: 600; letter-spacing: 2px; line-height: 24px; text-transform: uppercase; color: #409F89; background-color: #3E9B86; }