.body{
    min-height: 100vh;
    min-height: 100dvh;

    margin: 0px;

    display: flex;
    flex-direction: column;
}
.header {
    width: 100%;
    margin: 0px;
    border: 0px;
    padding: 0px;
    height: 128px;
}
.footer {
    width: 100%;
    margin: 0px;
    border: 0px;
    padding: 0px;
    height: 128px;

    margin-top: auto;
}

.centerArea {
    margin-left: 10%;
    margin-right: 10%;
}

.rightArea {
    margin-left: 20%;
    margin-right: 10%;
}

.leftArea {
    margin-left: 10%;
    margin-right: 20%;
}