.post-author-name button.searchbychar {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    font-weight: 600;
    color: #fff;
    line-height: inherit;
    vertical-align: baseline;
}
.header-post-podcast .post-author-name button.searchbychar,
.header-post-videocast .post-author-name button.searchbychar,
.header-post-thinkingtech .post-author-name button.searchbychar {
    color: #000;
}
body.darktheme .post-author-name button.searchbychar {
    color: #fff !important;
}
#ez-toc-container .ez-toc-list li button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    width: 100%;
    text-align: left;
    font-weight: inherit;
    line-height: 1.4;
    display: block;
}