casper-modified-ghost-theme/assets/css/isso.css

.isso-postbox > .form-wrapper > .auth-section .post-action > input:hover {
    background-color: #ddd;
}

.isso-postbox > .form-wrapper > .auth-section .input-wrapper input {
    padding: 0.5rem;
    max-width: 100%;
    border-radius: 3px;
    background-color: #fff;
    line-height: 1.4em;
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    margin-right: 0.5rem;
    color: #222;
}

.isso-postbox .textarea {
    color: #222;
}

.isso-postbox .preview {
    color: #000;
}

.isso-comment > div.text-wrapper > .isso-comment-header .author {
    font-weight: bold;
    color: #222;
}

.isso-postbox > .form-wrapper > .auth-section .post-action > input {
    padding: 0.5rem 1rem !important;
    border-radius: 2px;
    border: 1px solid #ccc;
    background-color: #ddd;
    cursor: pointer;
    outline: 0;
    line-height: 1.4em;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    color: #222;
}

#isso-thread > h4 {
    color: var(--midgrey2) !important;
    font-weight: bold;
}

#isso-thread img {
    border-radius: 50%;
}

#isso-root .spacer,
.isso-comment-header *,
.isso-comment-footer *,
.isso-comment .isso-comment-header .spacer,
.isso-comment .isso-comment-header a.permalink,
.isso-comment .isso-comment-header .note,
.isso-comment .isso-comment-header a.parent,
.isso-comment > div.text-wrapper > .isso-comment-header .spacer {
    color: var(--midgrey2) !important;
}

@media (prefers-color-scheme: dark) {
    *:target {
        color: #000 !important;
    }

    a:target:hover {
        color: #15171a !important;
    }

    #isso-root .spacer,
    .isso-comment .isso-comment-header .spacer,
    .isso-comment .isso-comment-header a.permalink,
    .isso-comment .isso-comment-header .note,
    .isso-comment .isso-comment-header a.parent,
    .isso-comment > div.text-wrapper > .isso-comment-header .spacer,
    .isso-comment-header *,
    .isso-comment-footer *,
    #isso-thread > h4 {
        color: var(--whitegrey) !important;
    }

    #isso-root a {
        color: var(--whitegrey);
    }

    .isso-feedlink:hover,
    .isso-comment > div.text-wrapper > .isso-comment-footer a:hover,
    #isso-root a:hover {
        color: #fff;
        text-decoration: underline;
    }
}