Before heading into the tutorial part, this is what we are going to build. Simple right, but we are going to build this with the help of two semantic HTML tags (details and summary)
I have been teaching intricate concepts in CSS/JavaScript with simple examples in my blog - https://www.javascriptwillrule.com.
Let's get started.
Step 1: Semantic HTML elements
<details>
<summary></summary>
<nav class="menu">
<a href="#">Home</a>
<a href="#">Work</a>
<a href="#">Links</a>
<a href="#">Contact</a>
<a href="#">About</a>
</nav>
</details>
In styles.css
:root {
--primColor: #dcdcdc;
--secoColor: #555555;
--cornerRad: 4px;
}
body {
background-color: var(--primColor);
font-family: Arial, Helvetica, sans-serif;
font-size: 20px;
}
Just decorating the body section.
Step 2: What details and summary tags will do ?
Just like accordians. The child elements of details tag will be considered as the content and the summary tag will be the accordian header. Without using any CSS/JavaScript we can create an accordian in HTML itself. Glad I learned this.
So far:
Step 3: Decorate the icon
summary {
text-align: center;
padding: 12px 10px;
width: 23px;
height: 17px;
background-color: var(--primColor);
border: 2px solid var(--secoColor);
border-radius: var(--cornerRad);
color: var(--secoColor);
cursor: pointer;
user-select: none;
outline: none;
transition: transform 200ms ease-in-out 0s;
}
summary::before,
summary::after {
position: static;
top: 0;
left: 0;
}
summary::before {
content: "";
}
summary::after {
content: "III";
letter-spacing: -1px;
}
summary:hover {
transform: scale(1.1);
}
{/* to hide the arrow icon */}
summary::-webkit-details-marker {
display: none;
}
{/* Add this property to summary section to transform the "III" to horizontal position */}
summary {
writing-mode: vertical-lr;
}
So far:
Step 4: Transform ham menu to cross symbol
{/* add the X on open */}
details[open] summary::before {
content: "X";
}
{/* remove the ham menu that we added in summary::after */}
details[open] summary::after {
content: "";
}
So far:
Step 5: Styling the nav and links
.menu {
width: fit-content;
border-radius: var(--cornerRad);
background-color: var(--primColor);
box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.2);
margin-top: 8px;
display: flex;
flex-direction: column;
justify-content: space-between;
overflow: hidden;
}
.menu a {
padding: 12px 24px;
margin: 0 16px;
color: var(--secoColor);
border-bottom: 2px solid rgba(0, 0, 0, 0.1);
text-decoration: none;
text-align: center;
transition: filter 200ms linear 0s;
}
{/* padding top for 1st link */}
.menu a:nth-of-type(1) {
padding-top: 24px;
}
{/* link hover */}
.menu a:hover {
filter: brightness(200%);
}
So far:
Step 6: Add helper content and hide on menu open
details::before {
content: "← Click This Button";
color: var(--secoColor);
position: absolute;
margin-left: 80px;
padding: 10px 10px;
opacity: 0.4;
}
details[open]::before {
animation: fadeMe 300ms linear forwards;
}
@keyframes fadeMe {
0% {
opacity: 0.4;
}
100% {
opacity: 0;
}
}
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