3-level vertical drop-down menu
A three-level drop-down vertical menu in Bootstrap 3, complete with a ready-made HTML snippet for installation on your website.
* BootstrapTheme Code Snippet.
24.02.2026 / 22:14
A three-level drop-down vertical menu in Bootstrap 3, complete with a ready-made HTML snippet for installation on your website.
* BootstrapTheme Code Snippet.
<link rel="stylesheet" href="https://bootstraptema.ru/plugins/2015/bootstrap3/bootstrap.min.css" />
<style>
.dropdown-submenu {
position: relative;
}
.dropdown-submenu>.dropdown-menu {
top: 0;
left: 100%;
margin-top: -6px;
margin-left: -1px;
-webkit-border-radius: 0 6px 6px 6px;
-moz-border-radius: 0 6px 6px 6px;
border-radius: 0 6px 6px 6px;
}
.dropdown-submenu:hover>.dropdown-menu {
display: block;
}
.dropdown-submenu>a:after {
display: block;
content: " ";
float: right;
width: 0;
height: 0;
border-color: transparent;
border-style: solid;
border-width: 5px 0 5px 5px;
border-left-color: #cccccc;
margin-top: 5px;
margin-right: -10px;
}
.dropdown-submenu:hover>a:after {
border-left-color:...