.spreadsheet-file-view {
    overflow: auto;
}
#spreadsheet-container {
    display: block;
    width: calc(100% - 40px);
    max-width: 950px;
    min-height: 100%;
    margin: 0 auto;
    background: #fff;
    border: 1px solid #ccc;
    box-shadow: 0 0 6px #ccc;
}