index.css

:root{
    /* Colors */

    /* Primary */
    --green: hsl(75, 94%, 57%);

    /* Neutral */
    --white: hsl(0, 0%, 100%);
    --grey: hsl(0, 0%, 20%);
    --darkGrey: hsl(0, 0%, 12%);
    --offBlack: hsl(0, 0%, 8%);
}

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

body{
    background: var(--offBlack);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Inter', sans-serif;
    color: var(--white);
    font-size: 14px;
}

main{
    min-width: 18rem;
    padding: 1.5rem;
    border-radius: 0.5rem;
    background-color: var(--darkGrey);
}

.user-info, .social-media-links{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.avatar{
    border-radius: 10rem;
    width: 4rem;
    height: auto;
    margin-bottom: 1.5rem;
    transition: width 0.3s ease-in;
}

.avatar:hover{
    width: 4rem;
    height: auto;
}

.avatar-username{
    font-weight: 600;
    font-size: large;
    margin-bottom: 0.6rem;    
}

.avatar-location{
    color: var(--green);
    margin-bottom: 1rem;
}

.social-media-links{
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

a{
    font-size: small;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    width: 100%;
    height: 2rem;
    background-color: var(--grey);
    border-radius: 0.5rem;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

a:hover{
    background-color: var(--green);
    color: var(--offBlack);
}