styles.css

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

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}

h1 {
    display: flex;
    justify-content: center;
    font-family: Arial, Helvetica, Verdana, sans-serif;
    font-size: 60px;
    margin-bottom: 50px;
}

.button {
    display: flex;
    justify-content: space-between;
}

.button button {
    color: white;
    background-color: blue;
    font-size: 30px;
    font-family: Arial, Helvetica, Verdana, sans-serif;
    font-weight: bold;
    padding: 10px 20px;
    margin-bottom: 50px;
    border-radius: 15px;
}

.button button:hover {
    color: blue;
    background-color: white;
    border: 2px solid blue;
}

div.container {
    display: flex;
    flex-direction: column;
    height: 900px;
    width: 900px;
    border: 1px solid black;
}