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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333333;

    background-color: #669999;
    min-height: 100vh;
    
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}