* {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 12px;
}

html, body {
    height: 100%;
    color: var(--h-color-grey);
    background-color: var(--h-color-white);
}

.display-none {
    display: none;
}