.mce-btn {
    border: 1px solid #b1b1b1;
    border-color: transparent;
    position: relative;
    text-shadow: 0 1px 1px rgb(255 255 255 / 75%);
    display: inline-block;
    *display: inline;
    *zoom: 1;
    background-color: #f0f0f0;
    box-sizing: border-box;
}

.mce-btn button {
    padding: 4px !important;
    font-size: 14px;
    line-height: 20px;
    *line-height: 16px;
    cursor: pointer;
    color: #333;
    text-align: center;
    overflow: visible;
    -webkit-appearance: none;
}

.mce-btn button:hover {
    border: 0 !important;
    padding: 4px !important;
}

.mce-btn.mce-listbox button {
    padding-right: 24px !important;
}

.mce-btn.mce-listbox button:hover {
    border: 0 !important;
    padding: 4px !important;
    padding-right: 24px !important;
}