* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #1f1f1f;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header,
.site-footer {
    padding: 16px 24px;
    background-color: #0d6efd;
    color: #ffffff;
}

.site-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.content-wrapper {
    width: 100%;
    max-width: 960px;
    background-color: #ffffff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}