style.css

:root {
    --clr-white: hsl(0, 0%, 100%);
    --clr-lg: hsl(212, 45%, 89%);
    --clr-gb: hsl(220, 15%, 55%);
    --clr-db: hsl(218, 44%, 22%);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Outfit',sans-serif;
    margin: unset;
    min-height: 100vh;
    font-size: 15px;
    background-color: var(--clr-lg);
    display: grid;
    place-items: center;
    position: relative;
}

img {
    max-width: 100%;
    height: auto;
}

main {
    background-color: var(--clr-white);
    font-size: 15px;
    max-width: 320px;
    padding: 1.075em;
    box-shadow: 0 1.6em 1.6em hsla(0, 0%, 0% ,0.05);
    text-align: center;
    margin: 1.075em;
    border-radius: 1.35em;
}

img { 
    border-radius: 0.675em;
}

h1 {
    font-size: 1.375rem;
    line-height: 1.275;
    margin-top: 1.1em;
    color: var(--clr-db);
}

p {
    color: var(--clr-gb);
    margin: 1.075em;
    line-height: 1.3;
}

footer {
    position: absolute;
    bottom: 0.5rem
}

footer a{
    color: black;
}