editor.js/plugins/quote/quote.css

.ce_plugin_quote--select_button{
    display: block;
    color: #306ac7;
    cursor: pointer;
    line-height: 1.3em;
}
.ce_plugin_quote--select_button:not(:last-of-type){
    margin-bottom: 1.5em;
}
.ce_plugin_quote--select_button:hover{
    color: #a1b4ec;
}


/** Quote Styles */

.quoteStyle-withCaption--author:empty {
    direction: rtl;
}
.quoteStyle-withCaption--author {
    margin: 5px 0;
    background: #fff;
    border: 1px solid #ebeef3;
    padding: 7px;
    text-align: right;
    font-size: 1em;
    font-weight: bold;
    line-height: 1.5em;

}
.quoteStyle-simple--text,
.quoteStyle-withCaption--blockquote,
.quoteStyle-withPhoto--quote {
    /*font-size: 1.04em;
    line-height: 1.9em;*/
}

.quoteStyle-simple--text {
    padding: 1.2em 2.1em;
    margin: 2.5em 2em;
    background: #FBFBFB;
}

.quoteStyle-withCaption--blockquote {
    margin: 0;
    padding: 1.5em 2.0em !important;
    border: 1px solid #ebeef3;
    background: #fff;
}

.quoteStyle-withCaption--blockquote:focus,
.quoteStyle-withCaption--author:focus {
    outline: none;
}

.quoteStyle-simple--text:empty::before,
.quoteStyle-withCaption--blockquote:empty::before,
.quoteStyle-withPhoto--quote:empty::before
{
    content : 'Введите цитату';
    color: #818BA1;
    opacity: 0.7;
    transition: opacity 200ms ease;
}

.quoteStyle-withCaption--author:empty::before
{
    content : 'Введите имя автора';
    font-weight: normal;
    color: #a1a5b3;;
    opacity: 1;
    transition: opacity 200ms ease;
}
.quoteStyle-withPhoto--author:empty::before {
    content : 'Введите имя автора';
    color: #000;
    opacity: .8;
    transition: opacity 200ms ease;
}

.quoteStyle-simple--text:focus::before,
.quoteStyle-withCaption--blockquote:focus::before,
.quoteStyle-withPhoto--quote:focus::before
{
    opacity: .1;
}

.quoteStyle-withCaption--author:focus::before,
.quoteStyle-withPhoto--author:focus::before
{
    opacity: .1;
}

/** Quote with photo */
.ce_redactor .quoteStyle-withPhoto--wrapper {
    margin: 0;
    padding: 4.5em 3.6em !important;
}

.quoteStyle-withPhoto--photo {
    width: 94px;
    height: 94px;
    overflow: hidden;
    text-align: center;
    line-height: 94px;
    border-radius: 3px;
    float: left;
    margin-right: 10px;
    border: 1px solid #ebeef3;
    box-sizing: border-box;
    background: #fff;
}
.quoteStyle-withPhoto--photo:hover {
    cursor: pointer;
    background: #F0F3F6;
}

.quoteStyle-withPhoto--photo:hover::after {
    display: block;
}

.authorsPhoto {
    height: 110%;
    vertical-align: top;
}

.authorsPhoto-wrapper {
    border: 0 !important;
    transition: all 20ms ease-in;
    will-change: opacity, filter;
}

.authorsPhotoWrapper_preview {
    opacity: .5;
    filter: blur(1.7px) grayscale(1);
}

.quoteStyle-withPhoto--photo .ce-icon-picture {
    font-family: "codex_editor";
    font-size: 1.5em;
    color: #d5dbea;
}
.quoteStyle-withPhoto--photo:hover{
    background: #fdfeff;
    border-color: #c1c4cc;
}
.quoteStyle-withPhoto--photo:hover .ce-icon-picture {
    color: #2b3142;
}

.quoteStyle-withPhoto--author {
    outline: none;
    overflow: hidden;
    margin-bottom: 10px;
    font-weight: bold;
    color: #000;
}
.quoteStyle-withPhoto--job {
    outline: none;
    overflow: hidden;
}

.quoteStyle-withPhoto--job:empty::before {
    content : 'Введите должность автора';
    color: #A5ABBC;
    opacity: 1;
    transition: opacity 200ms ease;
}

.quoteStyle-withPhoto--job:focus::before {
    opacity: .1;
}

.quoteStyle-withPhoto--quote {
    margin-bottom: 10px;
    line-height: 1.7em;
    outline: none;
    overflow: hidden;
}

/**
* New styles
*/
.ce-quote{
    margin: 0 !important;
    padding: 15px 0;
}
.quoteStyle-withPhoto--author,
.quoteStyle-withPhoto--job,
.quoteStyle-withPhoto--quote{
    background: #fff;
    border: 1px solid #ebeef3;
    border-radius: 3px;
    padding: 10px 15px;
}

.quoteStyle-withPhoto--author,
.quoteStyle-withPhoto--job {
    line-height: 20px;
}
.quoteStyle-withPhoto--quote{
    min-height: 200px;
}

/**
 * Current select-type button
 */
.ce-quote-settings--selected{
    font-weight: bold;
}