body, h1, h2, p, ul, li {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: #f4f4f4;
}

header {
    background: #005A9C;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 20px;
}

h2 {
    color: #005A9C;
}

ul {
    list-style-type: none;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #003C71;
    color: #ffffff;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}