styles.css

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(188, 188, 246);
    color: rgb(17, 16, 16);
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-weight: 400;
    text-transform: capitalize;
}

.container {
    text-align: center;
    background-color: #fff;
    /* Revise rem and other units */
    padding: 2rem;
    /* Revise flex properties */
    flex: 0 0 80%;
}

#quote-btn {
    border: none;
    color: #fff;
    background-color: rgb(79, 79, 241);
    padding: 0.25rem 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#quote-btn:hover {
    color: rgb(79, 79, 241);
    background-color: #fff;
}

blockquote {
    background: rgb(232, 232, 248);
    /* border: 2px solid rgb(79, 79, 241); */
    border-left: 10px solid rgb(79, 79, 241);
    margin: 1.5rem;
    padding: 0.5rem;
    font-family: cursive;
}

#quote-author {
    color: rgb(79, 79, 241);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}