.wp-admin wp-core-ui js  appearance_page_simple-custom-css auto-fold admin-bar branch-4-9 version-4-9-3 admin-color-fresh locale-ja customize-support sticky-menu svg {
    background-color: red;
}
.body, button, input, select, textarea {
    color: #404040;
    font-family: 'Roboto', sans-serif;
    line-height: 1.5;
    font-weight: 300;
    font-size: 16px;
    margin: auto;
}