style.css

/* fonts */
@font-face {
    font-family: "Noto Sans";
    src: url("fonts/NotoSans-Regular.ttf");
    font-display: swap;
}
@font-face {
    font-family: "Noto Sans";
    src: url("fonts/NotoSans-Italic.ttf");
    font-display: swap;
    font-style: italic;
}
@font-face {
    font-family: "Noto Sans";
    src: url("fonts/NotoSans-Bold.ttf");
    font-display: swap;
    font-weight: bold;
}
@font-face {
    font-family: "Noto Sans";
    src: url("fonts/NotoSans-BoldItalic.ttf");
    font-display: swap;
    font-weight: bold;
    font-style: italic;
}
/* things */
html {
    font-family: "Noto Sans", sans-serif;
}
header {
    color: white;
    background-color: purple;
    display: flex;
    align-items: center;
    gap: 2rem;
    justify-content: start;
    padding-left: 1em;
    width: 100%;
    overflow-x: auto;
    margin-bottom: 1em;
}
header > * {
    display: block;
    /* margin-inline: 2rem; */
}
header a {
    color: white;
}
header > :nth-last-child(2) {
    margin-right: -1rem;
}
.fill {
    flex: 1;
}
a {
    color: blue;
}
html {
    max-width: 600px;
    margin-inline: auto;
    line-height: 1.4;
}
.fullwidth {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}
body { 
    margin: 0;
    padding: 8px;
}
* {
    box-sizing: border-box;
}
li {
    margin: 1em 0;
}
ul li {
    list-style-type: disc;
}
dt {
    margin-top: 1em;
}
input {
    font-size: inherit;
}
/* dark mode */
@media (prefers-color-scheme: dark) {
    html {
        background-color: black;
        color: white;
    }
    a {
        color: skyblue;
    }
}
/* mobile */
@media (max-width: 600px) {
    h1 {
        font-size: 1.5em;
    }
}