.btn:not(:last-child) {
    margin-right: 1rem;
}

.icheck-nephritis:not(:last-child) {
    margin-right: 1rem;
}

.icon {
    /*margin-bottom: 15px;*/
    /*font-family: sans-serif;
    font-weight: bold;*/
}

.form-check {
    margin-left: -20px;
}

#mediawiki, #html5, #doku, #bookstack {
    cursor: pointer;
}

.toolbar {
    background-color: #fff;
    padding: 5px;
    border: 1px solid #ccc;
    border-bottom: none;
    margin-top: 15px;
}

#textbox {
    border-radius: unset !important;
    border: 1px solid #ccc !important;
}

.toolbar button {
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease; /* 平滑过渡效果 */
    /*margin-right: 5px;*/
}

.toolbar button:hover {
            background-color: #dee2e6;
}