.zb-content-tree {display: block; margin: 0 0 20px; padding: 0; font-size: 14px;}
.zb-content-tree ul {display: none; margin: 0; padding: 0;}
.zb-content-tree > li > ul {display: block;}
.zb-content-tree a {text-decoration: none; color: #333; cursor: pointer; display: block; padding: 0.4em 0;}
.zb-content-tree a[href]:hover {text-decoration: underline;}
.zb-content-tree__item {display: block; position: relative; padding-left: 20px; line-height: 1.2;}
.zb-content-tree__item_active > a {color: #007c5b; font-weight: bold;}

.zb-content-tree__arrow {display: block; position: absolute; top: 8px; left: 0; width: 0; height: 0; border: 7px solid transparent; border-left-color: #007c5b; border-right-width: 0; cursor: pointer;}
.zb-content-tree__arrow_open {border-top-color: #007c5b; border-bottom: 0; border-right-width: 7px; border-left-color: transparent; top: 12px; left: 0;}

.zb-content-tree__fixed {position: fixed; height: 100%; width: 290px; top: 0; overflow: auto;}

.zb-subitems, .list-ms {margin: 0 0 20px;}
.zb-subitems li, .list-ms li {line-height: 1.2; margin: 0 0 1em;}
.zb-subitems a, .list-ms a {color: #007c5b; text-decoration: none;}
.zb-subitems a:hover, .list-ms a:hover {text-decoration: underline;}