.info-box .ib-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; } .info-box p { margin: 0; font-size: 0.92rem; line-height: 1.6; } .info-note { background: # ...

The tutorial assumes you are at least familiar with C-lang-like language. It is not meant to teach anyone how to code in AVR/Arduino from scratch. It's more like a getting started for anyone who has ...