Trying to create toggle for icon in NavBar using a checkbox - html

Question

I am trying to use a checkbox to make my font awesome icon trigger the menu icon to open and close the menu (which is how I want it to be design wise) when the screen is in mobile view.
Thanks in advance for any help.
/*** General ***/
* {
font-family: 'Noto Serif SC', serif;
margin: 0;
padding: 0;
}
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 400px;
height: auto;
}
.contents1 {
margin-top: 5vh;
margin-bottom: 10vh;
}
a {
text-decoration: none;
color: black;
margin: none;
padding: none;
}
/*** Header ***/
.header {
margin-top: 20px;
margin-bottom: 20px;
}
.logo {
text-align: center;
font-size: 30px;
}
/*** Navigation ***/
.fa-bars {
display: none;
}
.nav-links {
width: 100%;
float: left;
position: sticky;
align-items: center;
justify-content: center;
padding: 0;
background-color: #f7f7f7;
border-bottom: 1px solid rgb(228, 224, 224);
display: flex;
}
.nav-links li {
list-style: none;
text-align: center;
font-size: 18px;
float: left;
padding: 14px 16px;
}
.nav-links li a {
text-decoration: none;
text-align: center;
float: left;
}
/*** Footer ***/
.footer {
display: block;
margin-left: auto;
margin-right: auto;
width: 50%;
text-align: center;
}
.footer2 {
display: block;
margin-left: auto;
margin-right: auto;
width: 50%;
text-align: center;
}
/*** Media Queries ***/
#media only screen and (max-width: 800px) {
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 375px;
height: auto;
}
}
#media only screen and (max-width: 700px) {
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 350px;
height: auto;
}
}
#media only screen and (max-width: 600px) {
.fa-bars {
font-size: 20px;
display: block;
float: right;
margin-top: 10px;
margin-right: 40px;
cursor: pointer;
}
.logo {
text-align: left;
font-size: 25px;
}
.nav-toggle {
display: none;
}
.nav-links,
ul {
position: fixed;
width: 100%;
height: 100vh;
text-align: center;
background-color: #f7f7f7;
border-bottom: 1px solid rgb(107, 76, 76);
top: 80px;
left: 0;
flex-direction: column;
display: none;
}
.nav-toggle:checked+.nav-links,
ul {
display: flex;
}
.nav-links li {
display: block;
}
.contents1 {
margin-top: 5vh;
}
}
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght#200&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css">
<div class="header">
<div>
<div class="logo">
<h4>The Blue Lion <i class="fas fa-bars" id="nav-toggle"></i></h4>
<input type="checkbox" id="nav-toggle" class="nav-toggle">
</div>
</div>
<label for="nav-toggle" class="nav-toggle-label">
<span></span>
</label>
</div>
<div class="navbar">
<div class="nav-links" id="myTopnav">
<ul>
<li a href="#">Food</li>
<li a href="#">Drink</li>
<li a href="#">Covid-19</li>
<li a href="#">News</li>
<li a href="#">Join the Team</li>
</ul>
</div>
</div>
<div class="contents1">
<img src="https://mcdn.wallpapersafari.com/medium/84/3/pQuUz4.jpg" class="bluepic" alt="Blue">
</div>
<div class="footer">
<div class="info">
Leave us a review:
<i class="fab fa-tripadvisor"></i>
</div>
<div class="socialiconsf">
<i class="fab fa-facebook-f"></i>
<i class="fab fa-twitter"></i>
<i class="fab fa-instagram"></i>
</div>
</div>
<div class="footer2">
<p>
© The Blue Lion 2021
</p>
</div>

Answer 1

Do this:
* {
font-family: 'Noto Serif SC', serif;
margin: 0;
padding: 0;
}
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 400px;
height: auto;
}
.contents1 {
margin-top: 5vh;
margin-bottom: 10vh;
}
a {
text-decoration: none;
color: black;
margin: none;
padding: none;
}
/*** Header ***/
.header {
margin-top: 20px;
margin-bottom: 20px;
}
.logo {
text-align: center;
font-size: 30px;
}
/*** Navigation ***/
.fa-bars {
display: none;
}
.nav-links {
width: 100%;
float: left;
position: sticky;
align-items: center;
justify-content: center;
padding: 0;
background-color: #f7f7f7;
border-bottom: 1px solid rgb(228, 224, 224);
display: flex;
}
.nav-links li {
list-style: none;
text-align: center;
font-size: 18px;
float: left;
padding: 14px 16px;
}
.nav-links li a {
text-decoration: none;
text-align: center;
float: left;
}
/*** Footer ***/
.footer {
display: block;
margin-left: auto;
margin-right: auto;
width: 50%;
text-align: center;
}
.footer2 {
display: block;
margin-left: auto;
margin-right: auto;
width: 50%;
text-align: center;
}
/*** Media Queries ***/
#media only screen and (max-width: 800px) {
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 375px;
height: auto;
}
}
#media only screen and (max-width: 700px) {
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 350px;
height: auto;
}
}
#media only screen and (max-width: 600px) {
.fa-bars {
font-size: 20px;
display: block;
float: right;
margin-top: 10px;
margin-right: 40px;
cursor: pointer;
}
.logo {
text-align: left;
font-size: 25px;
}
.nav-toggle {
display: none;
}
.nav-links,
ul {
width: 100%;
height: 100vh;
text-align: center;
background-color: #f7f7f7;
border-bottom: 1px solid rgb(107, 76, 76);
top: 80px;
left: 0;
flex-direction: column;
display: none;
}
.nav-toggle:checked+.nav-links,
ul {
display: flex;
}
.nav-links li {
display: block;
}
.contents1 {
margin-top: 5vh;
}
}
#media (max-width:600px){
.hamburger-menu{
position: relative;
}
.checkbox:checked~ .nav-links{
display: block;
}
}
<div class="header">
<div>
<div class="logo">
<h4>The Blue Lion
</div>
</h4>
</div>
<label for="nav-toggle" class="nav-toggle-label">
<span></span>
</label>
</div>
</div>
<div class="navbar">
<input type="checkbox" id="check" class="checkbox" hidden>
<label for="check" class="fas fa-bars"></label>
<div class="nav-links" id="myTopnav">
<ul>
<li a href="#">Food</li>
<li a href="#">Drink</li>
<li a href="#">Covid-19</li>
<li a href="#">News</li>
<li a href="#">Join the Team</li>
</ul>
</div>
</div>
<div class="contents1">
<img src="bluepic1.jpg" class="bluepic" alt="Blue">
</div>
<div class="footer">
<div class="info">
Leave us a review:
<i class="fab fa-tripadvisor"></i>
</div>
<div class="socialiconsf">
<i class="fab fa-facebook-f"></i>
<i class="fab fa-twitter"></i>
<i class="fab fa-instagram"></i>
</div>
</div>
<div class="footer2">
<p>
© The Blue Lion 2021
</p>
</div>

Answer 2

CSS modification:
The font-awesome library overrides your CSS. That is why your menu-icon (.fa-bars) wouldn't hide when not in mobile mode.
I made following corrections to your CSS:
Changing .fa-bars to .fas.fa-bars
Adding !important in mobile mode
(to show always when media break-point (... and (max-width: 600px))
/*** Navigation ***/
.fas.fa-bars {
display: none;
}
#media only screen and (max-width: 600px) {
.fas.fa-bars {
font-size: 20px;
display: block !important;
float: right;
margin-top: 10px;
margin-right: 40px;
cursor: pointer;
}
}
Click event handler on checkBox:
Also, if you want functionality to your checkbox, then you would have to add an event-handler in JS and add the onClick=function() in your HTML (and correct the issue of the multiple assigned id as mentioned in comments: I replaced id="nav-toggle" with id="nav-toggle-bars" for the <i class="fas fa-bars" element).
Following complete code for you to Run code snippet and comment if this is your desired outcome (please advise).
Expand to "full-page" and change your browser width to see effect
below media break-point (... and (max-width: 600px))
const menuToggle = document.getElementById("nav-toggle-bars");
let menuCheckBox;
function showHideNavToggle(event) {
menuCheckBox = event.target;
if (menuCheckBox.checked) {
menuToggle.style.display = "block";
} else {
menuToggle.style.display = "none";
}
}
/*** General ***/
* {
font-family: 'Noto Serif SC', serif;
margin: 0;
padding: 0;
}
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 400px;
height: auto;
}
.contents1 {
margin-top: 5vh;
margin-bottom: 10vh;
}
a {
text-decoration: none;
color: black;
margin: none;
padding: none;
}
/*** Header ***/
.header {
margin-top: 20px;
margin-bottom: 20px;
}
.logo {
text-align: center;
font-size: 30px;
}
/*** Navigation ***/
.fas.fa-bars {
display: none;
}
.nav-links {
width: 100%;
float: left;
position: sticky;
align-items: center;
justify-content: center;
padding: 0;
background-color: #f7f7f7;
border-bottom: 1px solid rgb(228, 224, 224);
display: flex;
}
.nav-links li {
list-style: none;
text-align: center;
font-size: 18px;
float: left;
padding: 14px 16px;
}
.nav-links li a {
text-decoration: none;
text-align: center;
float: left;
}
/*** Footer ***/
.footer {
display: block;
margin-left: auto;
margin-right: auto;
width: 50%;
text-align: center;
}
.footer2 {
display: block;
margin-left: auto;
margin-right: auto;
width: 50%;
text-align: center;
}
/*** Media Queries ***/
#media only screen and (max-width: 800px) {
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 375px;
height: auto;
}
}
#media only screen and (max-width: 700px) {
.bluepic {
padding-top: 10px;
display: block;
margin-left: auto;
margin-right: auto;
width: 100%;
max-width: 350px;
height: auto;
}
}
#media only screen and (max-width: 600px) {
.fas.fa-bars {
font-size: 20px;
display: block !important;
float: right;
margin-top: 10px;
margin-right: 40px;
cursor: pointer;
}
.logo {
text-align: left;
font-size: 25px;
}
.nav-toggle {
display: none;
}
.nav-links,
ul {
position: fixed;
width: 100%;
height: 100vh;
text-align: center;
background-color: #f7f7f7;
border-bottom: 1px solid rgb(107, 76, 76);
top: 80px;
left: 0;
flex-direction: column;
display: none;
}
.nav-toggle:checked+.nav-links,
ul {
display: flex;
}
.nav-links li {
display: block;
}
.contents1 {
margin-top: 5vh;
}
}
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght#200&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css">
<div class="header">
<div>
<div class="logo">
<h4>The Blue Lion <i class="fas fa-bars" id="nav-toggle-bars"></i></h4>
<input type="checkbox" onclick="showHideNavToggle(event)" id="nav-toggle" class="nav-toggle">
</div>
</div>
<label for="nav-toggle" class="nav-toggle-label">
<span></span>
</label>
</div>
<div class="navbar">
<div class="nav-links" id="myTopnav">
<ul>
<li a href="#">Food</li>
<li a href="#">Drink</li>
<li a href="#">Covid-19</li>
<li a href="#">News</li>
<li a href="#">Join the Team</li>
</ul>
</div>
</div>
<div class="contents1">
<img src="https://mcdn.wallpapersafari.com/medium/84/3/pQuUz4.jpg" class="bluepic" alt="Blue">
</div>
<div class="footer">
<div class="info">
Leave us a review:
<i class="fab fa-tripadvisor"></i>
</div>
<div class="socialiconsf">
<i class="fab fa-facebook-f"></i>
<i class="fab fa-twitter"></i>
<i class="fab fa-instagram"></i>
</div>
</div>
<div class="footer2">
<p>
© The Blue Lion 2021
</p>
</div>
Note:
I also corrected 2 html closing tags (one </div> eliminated and </h4> closing tag corrected and replaced img source with a link to a generic blue background)

Answer 3

See this response in codepen.
https://codepen.io/threefingers/pen/PojZMpx
Add in your ::before element icon, the code icons in your states.
.mydiv{
background-color: blue;
height: 50px;
width: 50px;
}
input + .mydiv::before{
content: 'code icon 1';
}
input:checked + .mydiv::before{
content: 'code icon 2';
}
<input type="checkbox" value="Car"> I have a car
<div class="mydiv"></div>