:root { background-color: #ecf5ff; font-size: 62.5%; } * { box-sizing: border-box; font-family: Arial, Helvetica, sans-serif; margin: 0; padding: 0; color: #333; } h1, h2, h3, h4 { margin-bottom: 1rem; } h1 { font-size: 5.4rem; color: #56a5eb; margin-bottom: 5rem; } h1 > span { font-size: 2.4rem; font-weight: 500; } h2 { font-size: 4.2rem; margin-bottom: 4rem; font-weight: 700; } h3 { font-size: 2.8rem; font-weight: 500; } /* UTILITIES */ .container { width: 100vw; height: 100vh; display: flex; justify-content: center; align-items: center; max-width: 80rem; margin: 0 auto; padding: 2rem; } .container > * { width: 100%; } .flex-column { display: flex; flex-direction: column; } .flex-center { justify-content: center; align-items: center; } .justify-center { justify-content: center; } .text-center { text-align: center; } .hidden { display: none; } /* BUTTONS */ .btn { font-size: 1.8rem; padding: 1rem 0; width: 20rem; text-align: center; border: 0.1rem solid #56a5eb; margin-bottom: 1rem; text-decoration: none; color: #56a5eb; background-color: white; } .btn:hover { cursor: pointer; box-shadow: 0 0.4rem 1.4rem 0 rgba(86, 185, 235, 0.5); transform: translateY(-0.1rem); transition: transform 150ms; } .btn[disabled]:hover { cursor: not-allowed; box-shadow: none; transform: none; } /* FORMS */ form { width: 100%; display: flex; flex-direction: column; align-items: center; } input { margin-bottom: 1rem; width: 20rem; padding: 1.5rem; font-size: 1.8rem; border: none; box-shadow: 0 0.1rem 1.4rem 0 rgba(86, 185, 235, 0.5); } input::placeholder { color: #aaa; }