* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f5f6f7;
    color: #202124;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

.site-header {
    background: #fff;
    border-bottom: 1px solid #ddd;
}

.site-header-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-header h1 {
    margin: 0;
    font-size: 20px;
}

.site-header a {
    color: #2563eb;
    text-decoration: none;
}

.container {
    width: min(100% - 30px, 700px);
    margin: 40px auto;
}

.welcome-box {
    background: #fff;
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .05);
}

.welcome-box h2 {
    margin-top: 0;
}

.admin-note {
    padding: 12px 15px;
    background: #eef6ff;
    border-radius: 10px;
}

.button {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    background: #2563eb;
    color: #fff !important;
    text-decoration: none;
}

@media (max-width: 600px) {

    .container {
        width: min(100% - 20px, 700px);
        margin: 20px auto;
    }

    .welcome-box {
        padding: 25px 20px;
    }
}