* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}
body {
    margin: 0;
    padding: 0;
    flex-grow: 1;
    /* font-family: 'PT Sans', sans-serif; */
    font-family: 'Roboto';

    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;

}