/* This is the Jell-O layout */
#allcontent {
    width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* This is the element selectors */
body {
    background-color: lightgray;
    font-family: Arial, sans-serif;
}

h1 {
    color: navy;
    text-align: center;
}

p {
    line-height: 1.5;
}

/* This is the class selector */
.highlight {
    background-color: lightyellow;
    padding: 5px;
}

/* This is the id selector */
#footer {
    font-size: 80%;
    text-align: center;
    margin-top: 20px;
    border-top: 2px solid gray;
    padding-top: 10px;
}

/* This is the header styling */
.topsection {
    background-color: lightblue;
    text-align: center;
    padding: 10px;
}