html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    font-family: Helvetica, sans-serif;
}

.main-body p {
    margin-top: 1em;
}

body {
    min-height: 100vh;
    /* background: url() no-repeat; */
    background-size: cover;
    background-position: center;    
}