.theme-light .jinsom-index-menu {
    background: #fff;
}

.theme-dark .jinsom-index-menu {
    background: #333;
}

.theme-light .hidden~.jinsom-post-read-more:after {
    background: linear-gradient(0deg, #fff, hsla(0, 0%, 100%, 0));
}

.theme-dark .hidden~.jinsom-post-read-more:after {
    background: linear-gradient(0deg, #333, hsla(0, 0%, 100%, 0));
}