body {
    background-color: #fc3;
    color: #333;
}

body#idClassPage {
    background-color: white;
    font-size: 18px;
}

h1 {
    font-size: 50px;
    font-family: Helvetica, Arial, sans-serif;
}

h2 {
    font-size: 30px;
    font-family: Georgia, Times, serif;
}

p {
    font-size: 18px;
    font-style: italic;
}

ol {
    margin: 20px;
    padding: 20px;
    color: white;
}

/* Styles for the ID & Class lecture */

#main-title {
    color: #fc3;
    background: #353535;
    padding: 10px;
    margin: 20px;
    font-size: 18px;
}

.sectionHeader {
    color: olive;
    border: solid 1px pink;
    padding: 40px 20px 10px;
    text-align: center;
    font-size: 1.2em;
    font-weight: normal;
}

/* Styles for the Descendant Selector lecture */

.primary-box {
    background-color: white;
    border: solid 10px #333;
    padding: 20px;
}

.primary-box h2 {
    font-family: Helvetica, Arial, sans-serif;
}

.secondary-box {
    background-color: #333;
    color: #fff;
    padding: 10px;
}

.secondary-box p {
    font-size: 14px;
    font-style: normal;
}

.secondary-box p em {
    color: #fc3fc3;
}

/* Styles for the Grouping Selector lecture */

#mainContainer {
    width: 960px;
    margin: 0 auto;
}

.primary-box, .secondary-box {
    margin: 30px 20px;
}

.inside-box {
    border: solid 1px black;
}

h1, h2, h3, h4, h5, h6 {
    text-align: center;
    border-bottom: solid 3px red;
    padding: 0 0 10px;
}