* {
    font-size: 1em;
    font-weight: normal;
    color: black;
}
h1 {
    font-size: 2em;
}
header h2 {
    font-size: .85em;
}
main h2 {
    font-size: 1.5em;
    color: blue;
}
h3 {
    font-size: 1em;
    color: blue;
}
h1, h2, h3 {
    font-weight: bold;
}
main p, main > ul {
    font-size: .8em;
}
b {
    font-weight: bold;
    color: #ff8000;
}
.section_button {
    cursor: pointer;
}