style.css

:root {
    --white: hsl(0, 0%, 100%);
    --slate-300: hsl(212, 45%, 89%);
    --slate-500: hsl(216, 15%, 48%);
    --slate-900: hsl(218, 44%, 22%);
    --font-size: 12px;
    --font-weight: 400;
    --heavy-font-weight: 700;
    --gutter-size:16px;
    --text-gutter-size: 16px;
    --font-family: 'Outfit', sans-serif;
    --container-width: 250px;
    --card-height: calc(200 * 100vw / 1440);
}

body{
    font-size: var(--font-size);
    font-weight: 400;
    font-family: var(--font-family);
    background-color: var(--slate-300);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
}

main{
    width: var(--container-width);
    background-color: var(--white);
    border-radius: 20px;
    padding: var(--gutter-size);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: fit-content;
    height: var(--card-height);
    letter-spacing: 0.2px;
    min-height: fit-content;
}

p{
    font-weight: var(--heavy-font-weight);
    font-size: 22px;
    letter-spacing: 0px;
}

.qr-container{
    height: var(--container-width);
    width: var(--container-width);
}

img{
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 10px;
}

.text-container{
    padding-left: var(--text-gutter-size);
    padding-right: var(--text-gutter-size);
}