* {
    box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: bold;
}

h1 {
    font-size: 1.6rem;
}

h2 {
    font-size: 1rem;
}

h3 {
    font-size: 0.9rem;
}

p {
    font-size: 0.8rem;
}

b,
strong {
    font-weight: bold;
}

i,
em {
    font-style: italic;
}

u {
    text-decoration: underline;
}

input,
button,
textarea,
select {
    font-size: inherit;
    font-family: inherit;
}

body {
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Oxygen,
        Ubuntu,
        Cantarell,
        "Open Sans",
        "Helvetica Neue",
        sans-serif;
    line-height: 1.6;
}