.page[name='order'] > .header {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 2;
    height: 64px;
}
.page[name='order'] > .header > .side:first-child > .button {
    padding: 20px;
}
.page[name='order'] > .header > .side:first-child > .button > img {
    display: block;
    height: 24px;
}
.page[name='order'] > .content {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 24px;
    overflow-y: auto;
    z-index: 1;
}