html { background-image: url(https://gbp.vules-studio.pl/Uploads/28b2c6cd13d0e18fb1f8a18cd1d2e7d5.png); background-position: center; background-size: cover; background-repeat: no-repeat; background-attachment: fixed; } h1 { font-size: 4rem; } h2 { font-size: 3rem; } h3 { font-size: 2rem; } .p1 { padding-top: 1rem; padding-left: 1rem; padding-right: 1rem; padding-bottom: 1rem; } .btn { cursor: pointer; } .p1-05 { padding-top: 0.5rem; padding-left: 1rem; padding-right: 1rem; padding-bottom: 0.5rem; } .p1-0 { padding-top: 0rem; padding-left: 1rem; padding-right: 1rem; padding-bottom: 0rem; }