node-red/editor/sass/dropdownMenu.scss

/**
 * Copyright 2015 IBM Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/


.dropdown-menu>li>a:hover, .dropdown-menu>li>a:focus, .dropdown-submenu:hover>a, .dropdown-submenu:focus>a {
    background: #999;
}

.dropdown-menu * .fa-check-square {
    display: none;
    color: #e0e0e0;
    margin-left: -25px;
    margin-top: 3px;
}

[dir="rtl"] .dropdown-menu * .fa-check-square {
    float: right;
    margin-left: initial;
    margin-right: -8px;
}

.dropdown-menu * a.active > .fa-check-square {
    display: inline-block;
}

[dir="rtl"] .dropdown-menu * a.active > .fa-check-square {
    float: right;
}

.dropdown-menu * .fa-square {
    display: inline-block;
    color: #e0e0e0;
    margin-left: -25px;
    margin-top: 3px;
}

[dir="rtl"] .dropdown-menu * .fa-square {
    float: right;
    margin-left: initial;
    margin-right: -8px;
} 

.dropdown-menu * a.active > .fa-square {
    display: none;
}

[dir="rtl"] .dropdown-menu * a.active > .fa-square {
    float: right;
}

.dropdown-menu>li.disabled>a:hover>[class^="icon-"] {
    background-image: url("vendor/bootstrap/img/glyphicons-halflings.png") !important;
}
/** Fix for unreachable dropdown menu **/
.dropdown-menu  {
    border-radius: 0;
    width: 200px !important;
    margin-left: 0px !important;
}

[dir="rtl"] .dropdown-menu{
    right: auto;
    left: 0;
}

.dropdown-menu > li > a > i {
    width: 10px;
    text-align: center;
    margin-left: -8px;
}
.dropdown-menu > li > a {
     padding-left: 38px ;
     text-indent: -8px ;
     white-space: normal !important;
}

.dropdown-submenu>a:after {
    display: none;
}
.dropdown-submenu>a:before {
    display: block;
    float: left;
    width: 0;
    height: 0;
    margin-top: 5px;
    margin-left: -30px;
    border-color: transparent;
    border-right-color: #e0e0e0;
    border-style: solid;
    border-width: 5px 5px 5px 0;
    content: " ";
}

[dir="rtl"] .dropdown-submenu>a:before {
    float : right;
    transform: rotate(180deg);
}

.dropdown-submenu.disabled > a:before {
    border-right-color: #444;
}
.dropdown-submenu.pull-left>.dropdown-menu {
    border-radius: 0;
}

[dir="rtl"] .dropdown-submenu.pull-left>.dropdown-menu {
    right: -250px;
}