body {
    background-color: #9CCB6B;
}

div {
    max-width: 990px;
}

img {
    padding: 10px;
}

h2 {
    letter-spacing: 0.30em;
    color: white;
    text-align: center;
}

h4 {
    text-align: justify;
    max-width: 990px;
    padding: 10px;
}

hr {
    height: 10px;
    background-color: gray;

}

.center {
    text-align: center;
}