body {
    margin: 20px;
    /*
    Challenge:
    Find a web safe font you like, and add it 
    to your card.
    */
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.avatar {
    width: 150px;
    border: 4px solid green;
    border-radius: 30px;
}

.card {
    width: 400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-around;
    text-align: center;
    background: #222222;
    color: #ffff;
    border-bottom: 6px solid green;
    
        
    /*
    Challenge:
    Find a color palette you like on Coolors.co
    and use it in your business card.
     */
}

.border-blue {
    border: 1px dotted blue;
}