style.css

@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;600;700&family=Poppins:wght@300;400&display=swap');

*{
    margin:0;
    padding:0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    
}
.container{
    height:100vh;
    background-color: rgb(4, 4, 22);
    padding:0 5%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction:column;
    border:3px solid #fff;
    border-radius:1.5rem;
}
.quote{
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    color:rgb(219, 211, 211);
}
.fa-quote-left,
.fa-quote-right {
    font-size: 35px;
    color: #008fb3;
}
.author {
    margin: 10px;
    text-align: right;
    font-size: 35px;
    font-family: 'Dancing Script',cursive;
    font-weight: 900;
    color:#fff
}

.buttons{
    margin-top: 1rem;
    
}
.next{
    display: inline-block;
    padding:.5rem 2.5rem;
    border-radius:35px;
    border:none;
    background:#008fb3;
    font-size: 18px;
    font-weight: 600;
    color:#fff;
    letter-spacing: 2px;
    transition: .3s;
    cursor:pointer;
    box-shadow: inset 8px 12px 10px rgba(98, 185, 235, 0.2);
}
.next:hover {
    color: #000;
    background-color: #fff;
        box-shadow: inset 8px 12px 10px rgba(0, 0, 0, 0.2);
    border: none;
}
.next:focus{
    letter-spacing: 1px;
}