body {
    background-color: #e9eece;
}

.usachun {
    position: absolute;
    top: 0px;
    bottom: 0px;
    right: 0px;
    left: 0px;
    margin: auto;
    width: 80%;
    max-width: 1024px;
    height: auto;
}
footer {
    width: 100%;
    position: absolute;
    bottom: 0;
    height: 64px;
    line-height: 64px;
    text-align: center;
    color: #784671;
}
footer a {
    text-decoration: none;
    color: #784671;
}