mes/WebContent/resource2/resources/ext/ux/css/LiveSearchGridPanel.css

.x-livesearch-match {
    font-weight: bold;
    background-color: yellow;
}

.x-toolbar .x-form-cb-wrap {
    line-height: 22px;
}
.x-toolbar .x-form-checkbox {
    vertical-align: 0;
}