.page-stand {
    width: calc(100% - 40px);
    display: flex;
    flex-direction: column;
    margin: 20px 20px 0 20px;
}

.page-stand select {
    width: 100%;
    min-width: 140px;
    padding: 0 5px;
    border-radius: 6px;
    height: 30px;
    background-color: var(--ColorThemes1);
    color: var(--ColorThemes3);
    border: 1px solid var(--ColorThemes2);
    margin: 10px 0;
    box-shadow: var(--shadow-l1);
    font-size: 14px;
}