style.css

/* Guided by https://jgthms.com/web-design-in-4-minutes/ */

body {
    margin: 0 auto;
    max-width: 50em;
    font-family: 'Helvetica', 'Arial', sans-serif;
    line-height: 1.5;
    padding: 2em 1em;
}

h1 {
    margin: 0;
}

#schedule p, #schedule ul {
    margin: 0;
}

header {
    text-align: center;
}

header img {
    width: 200px;
}

nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2em 0;
}

nav a {
    color: #57068c;
    border: 1px solid #57068c;
    border-radius: 5px;
    text-decoration: none;
    padding: 0.2em 0.4em;
    margin: 0 10px;
    transition-duration: 200ms;
    transition-property: color, background;
    transition-timing-function: ease-out;
}

nav a:hover {
    color: white;
    background: #57068c;
}

#vis {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
}

.axis .domain {
    stroke: #ccc;
}