dropdown、dropdown-menu、dropdown-header、divider、dropdown-submenu 例子见下拉菜单.html //源码.dropup,.dropdown { position: relative;}.dropdown-toggle:focus { outline: 0;}.dropdown-menu { position: absolute; top: 100%;
dropdown-content a { color: black; padding: 12px 16px; text-decoration: none; display: block; } .dropdown-content a:hover { background-color: #f1f1f1; } .dropdown:hover .dropdown-content { display: block; } </style> </head> <body> <div class="dropdown"> <button class="drop...
EN<div class="dropdown"> <button class="btn btn-default dropdown-toggle" type="button" id=...
首先我们确定下HTML元素部分,有一个按钮button,然后按钮下面是菜单区域div,菜单区域包含多个链接a。然后下拉菜单作为一个整体,我们用一个div包裹起来。所以HTML代码如下: <body> <div class="dropdown"> <button class="dropdown-button">下拉菜单</button> <div class="dropdown-menu"> <a href="#">菜单1<...
我在Angular 2 应用程序中使用NgbDropdown组件。它工作正常,但是我想删除显示在按钮右侧的箭头。 <div class="d-inline-block" ngbDropdown #myDrop="ngbDropdown"> <button class="btn btn-outline-primary" id="dropdownMenu1" ngbDropdownToggle>Toggle dropdown</button> ...
#app .dropdown .dropdown-menu .dropdown-item:active{ background: #f8f9fa; color: #666; } </style> </head> <body> <div id="app"> <div class="dropdown"> <button type="button" class="dropdown-btn" data-toggle="dropdown">•••</button> ...
其中drowdown表示下拉菜单,dropdown-button表示按钮,dropdown-menu表示菜单区域。此时由于尚未编写任何CSS样式代码,效果如下: 2.2 设定按钮样式 我们一步一步来处理下拉菜单,首先编写按钮的样式,代码如下,注意看注释: /* 按钮样式 */ .dropdown-button {
Use any element to open the dropdown menu, e.g. a <button>, <a> or <p> element. Use a container element (like <div>) to create the dropdown menu and add the dropdown links inside it. Wrap a <div> element around the button and the <div> to position the dropdown menu correctl...
按钮下拉菜单是在普通的下拉菜单的基础上封装了.btn样式得效果，就类似于单击⼀个button按钮，然后显⽰隐藏的下拉菜单。组合式下拉菜单分离式下拉菜单向上弹起的下拉菜单 //源码，css实现⽅式主要是设置.dropdown-menu样式容器的bottom为100% .dropup .dropdown-menu,.navbar-fixed-bottom .dropdown .dropdown-...
.dropdown-content a:hover {background-color: #f1f1f1}/* Show the dropdown menu (use JS to add this class to the .dropdown-content container when the user clicks on the dropdown button) */.show {display:block;}Example ExplainedWe...