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

header, nav, main, section, article, hgroup, figure, figcaption, aside, footer {
    display: block;
}

button, input, select, textarea {
    font: inherit;    
}

a {
    text-decoration: none;
    color: var(--tertiary-color);
}

button {
    cursor: pointer;
    background: none;
    border: none;
}