* {
    box-sizing: border-box;
    margin: 0;
}

:root {
    --clr-font-base: #DCE1DE;
    --clr-bg-base: #216869;
    --clr-bg-accent1: #3B8C88;
    --clr-bg-accent2: #55AFAF;
    --clr-bg-accent3: #70D2D2;
    --clr-bg-dark1: #1A5354;
}

body {
    font-family: "Poppins", sans-serif;
    font-style: normal;
    background-color: #570000;
    color: #fff;
}

main, header, footer {
    margin: auto;
    width: 90%;
    max-width: 750px;
}

form {
    display: grid;
    min-width: 350px;
    gap: 1rem;
    background-color: #280000;
    padding: 2rem;
    border-radius: 10px;
}

form {
    @media (width > 720px) {
        grid-template-columns: 1fr 1fr;
    }
}

form button {
    text-transform: uppercase;
    background-color: #570000;
    color: var(--clr-font-base);
    font-weight: 500;
    margin-top: 1rem;
    height: 2.5rem;
    border: none;
    border-radius: 5px;
    grid-column: 1 / -1;
    justify-self: center;
    width: 100%;
}

input, button, select {
    font: inherit;
}

input, select {
    width: 100%;
    height: 2rem;
    /* background-color: #570000; */
}

header h1, footer p {
    text-align: center;
    margin: 1.5rem;
}