Question

In: Computer Science

Click here to show hidden content In the main section, following the last question, create a...


Click here to show hidden content
In the main section, following the last question, create a drop-down menu with two first level links. The second link will show three second level links when hovering.

Solutions

Expert Solution

<html>
<head>
<title>Page Title</title>
</head>
<style>
li {
display: block;
transition-duration: 0.5s;
}

li:hover {
cursor: pointer;
}

ul li ul {
visibility: hidden;
opacity: 0;
position: absolute;
transition: all 0.5s ease;
margin-top: 1rem;
left: 0;
display: none;
}

ul li:hover > ul,
ul li ul:hover {
visibility: visible;
opacity: 1;
display: block;
}

ul li ul li {
clear: both;
width: 100%;
}
a {
text-decoration: none;
}

nav {
font-family: monospace;
}

ul {
background: darkorange;
list-style: none;
margin: 0;
padding-left: 0;
}

li {
color: #fff;
background: darkorange;
display: block;
float: left;
padding: 1rem;
position: relative;
text-decoration: none;
transition-duration: 0.5s;
}
  
li a {
color: #fff;
}

li:hover {
background: red;
cursor: pointer;
}

ul li ul {
background: orange;
visibility: hidden;
opacity: 0;
min-width: 5rem;
position: absolute;
transition: all 0.5s ease;
margin-top: 1rem;
left: 0;
display: none;
}

ul li:hover > ul,
ul li:focus-within > ul, /* this is the line we add */
ul li ul:hover {
visibility: visible;
opacity: 1;
display: block;
}

ul li ul li {
clear: both;
width: 100%;
}
</style>
<body>
<nav role="navigation">
<ul>
<li><a href="#">one</a></li>
<li><a href="#">two</a>
<ul class="dropdown">
<li><a href="#">sub-1</a></li>
<li><a href="#">sub-2</a></li>
<li><a href="#">sub-3</a></li>
</ul>
</li>
<li><a href="#">three</a></li>
</ul>
</nav>
</body>
</html>

2.Code with only 2 menu

<html>
<head>
<title>Page Title</title>
</head>
<style>
li {
display: block;
transition-duration: 0.5s;
}

li:hover {
cursor: pointer;
}

ul li ul {
visibility: hidden;
opacity: 0;
position: absolute;
transition: all 0.5s ease;
margin-top: 1rem;
left: 0;
display: none;
}

ul li:hover > ul,
ul li ul:hover {
visibility: visible;
opacity: 1;
display: block;
}

ul li ul li {
clear: both;
width: 100%;
}
a {
text-decoration: none;
}

nav {
font-family: monospace;
}

ul {
background: darkorange;
list-style: none;
margin: 0;
padding-left: 0;
}

li {
color: #fff;
background: darkorange;
display: block;
float: left;
padding: 1rem;
position: relative;
text-decoration: none;
transition-duration: 0.5s;
}
  
li a {
color: #fff;
}

li:hover {
background: red;
cursor: pointer;
}

ul li ul {
background: orange;
visibility: hidden;
opacity: 0;
min-width: 5rem;
position: absolute;
transition: all 0.5s ease;
margin-top: 1rem;
left: 0;
display: none;
}

ul li:hover > ul,
ul li:focus-within > ul, /* this is the line we add */
ul li ul:hover {
visibility: visible;
opacity: 1;
display: block;
}

ul li ul li {
clear: both;
width: 100%;
}
</style>
<body>
<nav role="navigation">
<ul>
<li><a href="#">one</a></li>
<li><a href="#">two</a>
<ul class="dropdown">
<li><a href="#">sub-1</a></li>
<li><a href="#">sub-2</a></li>
<li><a href="#">sub-3</a></li>
</ul>
</li>

</ul>
</nav>
</body>
</html>

Output for both coding


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