body {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-family: 'Karla', sans-serif;
    position: relative;
    background: url('./library-img.jpg') no-repeat center center/ cover;
    height: 100vh;
    background-size: cover;   
}

.maincontainer {
    width: 700px;
    height: 400px;
}

.mainheading {
    font-size: 1.2rem;
    background-color: white;
    border: 2px solid black;
    border-radius: 10px;
    padding: 10px 10px;
    text-align: center;
    width: 70%;
    margin: 20px auto;
}

.container {
    background-color: white;
    border-radius: 10px;
    height: 300px;
    width: 70%;
    padding: 20px;
    margin: 20px auto;
}

.quotes {
    font-size: 1.3rem;
    margin-bottom: 50px;
    margin-top: 20px;
}

.author {
    font-size: 1.3rem;
    margin-bottom: 50px;
    color: red;
    text-transform: uppercase;
}

button {
    background-color: black;
    border-radius: 3px;
    padding: 5px 10px;
    color: white;
    font-size: 1.2rem;
}

button:active {
    background-color: rgb(27, 149, 189);
    cursor: pointer;
}