html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-size: 14px;
}

.page {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.main {
    flex-grow: 1;
    overflow: hidden;
}

.content {
    height: 100%;
}