html, body {
    margin: 0;
    padding: 0;
}
html {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
    height: 100%;
    font: 16px/24px "Trebuchet MS", Helvetica, sans-serif;
    background: #f8f8f8;
    color: #4b4b4b;
}

.header {
    margin: 24px;
    padding: 12px;
    border-radius: 12px;
    background: #fff;
    color: #888;
    box-shadow: 0 0 24px #f4f4f4;
    text-align: center;
}
.header svg {
    height: 48px;
}

.content {
    flex-grow: 1;
    display: flex;
    align-items: center;
}
.content_i {
    flex-grow: 1;
    padding: 24px 5%;
}
.content a {
    color: #00617b;
}
.content a:hover {
    color: #1191b3;
}

.footer {
    border-top: 1px solid #e6e8ec;
    margin: 24px 24px 0;
    padding: 24px;
    text-align: center;
}

.footer_copyright a {
    color: #838b99;
    text-decoration: none;
}

.footer_copyright a:hover {
    color: #0b7794;
    text-decoration: underline;
}

.footer_icons {
    padding-top: 16px;
    display: flex;
    justify-content: center;
}

.footer_icons a {
    margin: 0 12px;
    text-decoration: none;
}

.footer_icons svg {
    height: 32px;
    fill: #838b99;
}

.footer_icons a:hover svg {
    fill: #0b7794;
}

.text-center {
    text-align: center;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #121212;
        color: #e0e0e0;
    }
    .header {
        background: #1e1e1e;
        color: #bbb;
        box-shadow: 0 0 24px #050505;
    }
    .content a {
        color: #40b3d8;
    }
    .content a:hover {
        color: #83c933;
    }
    .footer {
        border-top: 1px solid #333;
    }
    .footer_copyright a {
        color: #aaa;
    }
    .footer_copyright a:hover {
        color: #40b3d8;
    }
    .footer_icons svg {
        fill: #aaa;
    }
    .footer_icons a:hover svg {
        fill: #40b3d8;
    }
}