/* General page style */
body {
    background-color: #f5f7fa;
    font-family: Arial, Helvetica, sans-serif;
    color: #333333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Header style */
.page-header {
    background-color: #2f5d8c;
    color: white;
    text-align: center;
    padding: 40px 20px;
}

/* Main heading */
h1 {
    font-size: 36px;
    font-variant: small-caps;
    margin-bottom: 10px;
}

/* Subtitle class selector */
.subtitle {
    font-size: 18px;
    color: #e6f0ff;
}

/* Main content layout */
main {
    width: 80%;
    margin: 30px auto;
}

/* Content box class selector */
.content-box {
    background-color: white;
    border: 2px solid #d0d7de;
    padding: 20px;
    margin-bottom: 20px;
}

/* Heading style */
h2 {
    color: #2f5d8c;
    font-size: 24px;
}

/* Paragraph style */
p {
    font-size: 16px;
    text-align: left;
}

/* Highlight class */
.highlight {
    background-color: #fff7e6;
}

/* Quotation block */
.quote-box {
    background-color: #e8f0fe;
    border-left: 6px solid #2f5d8c;
    padding: 15px;
    margin: 20px 0;
    font-style: italic;
    font-size: 18px;
}

/* Transition and transform example */
.card {
    background-color: white;
    border: 2px solid #cccccc;
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.4s ease, background-color 0.4s ease;
}

/* Hover effect */
.card:hover {
    transform: scale(1.05);
    background-color: #eaf4ff;
}

/* Animation example */
.animated-box {
    background-color: #2f5d8c;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    animation: fadeIn 3s ease-in-out;
}

/* CSS animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}