h1{width:100%;font-weight:300;text-align:center;margin:-4rem 0 4rem;font-size:3rem}b{font-weight:700}header,.section-s{display:flex;flex-wrap:wrap;width:98.5vw;height:50vh;position:relative;background-color:#f7f7f7;left:0;justify-content:space-around;align-items:center;align-content:center;padding:-20px -20px}.section-s:nth-child(odd){background:#f5f5f5}.sub-b{max-width:10rem;max-height:10rem;margin:1rem;background-color:#008e7e;border-radius:1rem;box-shadow:0 6px 18px rgba(0,0,0,.25)}