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

body {
    background-color: #0f031f;
    background-image: radial-gradient(circle at center, #290459 0, black 100%);
    color: #4dc4ff;
    text-shadow: 0 0 4px #4dc4ff;
    font-size: 18px;
    font-family: "Times New Roman", Times, Tinos, serif;
}

h1 {
    font-smooth: never;
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: grayscale;
    font-weight: bold;
    font-size: 48px;
    color: #FF30FF;
    text-shadow: 0 0 12px rgba(255, 48, 255, 1);
}

h2 {
    font-style: italic;
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: grayscale;
    font-weight: normal;
    font-size: 32px;
    margin-bottom: 32px;
}

p {
    margin-bottom: 16px;
}

.date {
    font-weight: bold;
    font-size: 120%;
}

p:last-child {
    margin-bottom: 0;
}

#content {
    padding: 32px 15px;
    max-width: 640px;
    min-height: 100vh;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

a, mark {
    color: #FF30FF;
    text-shadow: 0 0 4px rgba(255, 48, 255, 0.8);
}

mark {
    font-weight: bold;
    background-color: transparent;
}

a:hover {
    color: #FFFF00;
    text-shadow: 0 0 4px rgba(255, 255, 100, 0.8);
}

.sr-only {
    position: absolute;
    left: -10000px;
    top: -10000px;
}

.logo {
    max-width: 320px;
    margin-bottom: 24px;
    position: relative;
    left: 2px;
}

.attribution {
    margin-top: 28px;
    opacity: 0.6;
}

h3 {
    margin-top: 16px;
    font-weight: normal;
    margin-bottom: 8px;
}

.sponsor-logos a {
    padding: 4px 8px;
    border-radius: 6px;
    display: inline-block;
    transition: background-color 0.2s;
    margin-right: 12px;
}

.sponsor-logos a:last-child {
    margin-right: 0;
}

.sponsor-logos a:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.sponsor-logos img {
    height: 49px;
    filter: grayscale(1) invert(1);
    opacity: 0.6;
    transition: filter 0.2s, opacity 0.2s;
}

.sponsor-logos img.bright {
    filter: brightness(0.3) grayscale(1) invert(1);
}

.sponsor-logos a:hover img {
    filter: none;
    opacity: 1;
}

.button {
    background-color: #4dc4ff;
    color: black;
    text-shadow: none;
    text-decoration: none;
    font-weight: bold;
    font-size: 120%;
    display: inline-block;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    transition: background-color 0.2s, box-shadow 0.2s;
}

.button:hover, .button:focus {
    color: black;
    background-color: yellow;
    text-shadow: none;
    box-shadow: 0 0 8px yellow;
}

.button:active {
    background-color: goldenrod;
    box-shadow: 0 0 8px goldenrod;
}