body {
    background: url("background.webp") center top / cover no-repeat fixed;
    margin: 0;
    padding: 0;
    font-family: "Calibri Light";
}

main {
    background-color: rgba(0,0,0,0.7);
    height: 100vh;
    color: white;
    display: grid;
    grid-template-rows: 0.5fr 1fr 1fr 2fr;
    text-align: center;
    padding: 0.5rem;
}

img {
    height: 100px;
}

#bd-1 {
    font-size: 5rem;
    align-self: end;
}

#bd-2 {
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
}

#bd-3 {
    font-size: 3rem;
    letter-spacing: 0.5rem;
    align-self: start;
}