body {
    background-color: #c0c0c0;
    color: #000000;
    font-family: "MS PGothic", "ＭＳ Ｐゴシック", "Times New Roman", serif;
    margin: 0;
    padding: 20px;
    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABZJREFUeNpi2rV7928GBgYgxE4EEgAACvQDA/gC94UAAAAASUVORK5CYII='); /* Subtle retro dither */
}

a:link { color: #0000EE; text-decoration: underline; }
a:visited { color: #551A8B; text-decoration: underline; }
a:hover { color: #FF0000; text-decoration: underline; cursor: help; }

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #c0c0c0;
    border-top: 2px solid #ffffff;
    border-left: 2px solid #ffffff;
    border-bottom: 2px solid #808080;
    border-right: 2px solid #808080;
    padding: 2px;
}

.window-title {
    background: #000080;
    color: #ffffff;
    font-weight: bold;
    padding: 3px 5px;
    display: flex;
    justify-content: space-between;
}

.content {
    padding: 15px;
    background: #ffffff;
    border-top: 2px solid #808080;
    border-left: 2px solid #808080;
    border-bottom: 2px solid #ffffff;
    border-right: 2px solid #ffffff;
    margin-top: 2px;
}

h1 {
    text-align: center;
    color: #FF00FF;
    text-shadow: 2px 2px #000000;
    font-size: 36px;
    margin: 10px 0;
}

h2 {
    color: #000080;
    border-bottom: 3px double #000080;
    margin-top: 30px;
}

.marquee {
    background-color: #FFFF00;
    color: #FF0000;
    font-weight: bold;
    border: 1px dashed #FF0000;
    padding: 5px;
    overflow: hidden;
    white-space: nowrap;
    box-sizing: border-box;
    display: inline-block;
    width: 100%;
}

.marquee span {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 15s linear infinite;
}

@keyframes marquee {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(-100%, 0); }
}

hr {
    border: 0;
    border-top: 2px solid #808080;
    border-bottom: 2px solid #ffffff;
}

table.layout {
    width: 100%;
    border-collapse: collapse;
}

table.layout td {
    vertical-align: top;
    padding: 10px;
}

.promo-image {
    max-width: 100%;
    border: 4px ridge #c0c0c0;
    display: block;
    margin: 0 auto;
}

.download-btn {
    display: inline-block;
    background: #c0c0c0;
    color: #000;
    text-decoration: none !important;
    font-weight: bold;
    font-size: 24px;
    padding: 10px 20px;
    border-top: 3px solid #ffffff;
    border-left: 3px solid #ffffff;
    border-bottom: 3px solid #000000;
    border-right: 3px solid #000000;
    text-align: center;
    margin: 20px 0;
    cursor: pointer;
}

.download-btn:active {
    border-top: 3px solid #000000;
    border-left: 3px solid #000000;
    border-bottom: 3px solid #ffffff;
    border-right: 3px solid #ffffff;
    padding: 11px 19px 9px 21px; /* shift text */
}

.blink {
    animation: blinker 1s linear infinite;
}

@keyframes blinker {
    50% { opacity: 0; }
}

.footer {
    text-align: center;
    font-size: 12px;
    margin-top: 30px;
}

.lang-switch {
    text-align: right;
    margin-bottom: 10px;
}