body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 115%;
}
header {
    text-align: center;
    margin-bottom: 40px;
    background-color: aqua;
}
nav {
    margin-bottom: 30px;
    text-align: center;
    background-color: lightyellow;
}
main {
    margin-bottom: 40px;
    font-size: 36px;
    background-color: rgb(158, 247, 255);
}
footer {
    text-align: center;
    font-size: 24px;
    background-color: rgb(207, 207, 207);
}
li {
    margin: 20px 20px;
    list-style: none;
    display: inline-block;
}
h1 {
    font-size: 48px;
    text-align: center;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    color: #000;
}
p {
    line-height: 150%;
}