Angular Accordion: A Viral Coder’s Guide to HTML and CSS 🔥♥️

.accordion {
background-color: #f9f9f9;
color: #333;
cursor: pointer;
padding: 18px;
width: 100%;
border: none;
text-align: left;
outline: none;
font-size: 15px;
transition: 0.4s;
}

.accordion.active, .accordion:hover {
background-color: #ddd;
}

.panel {
padding: 0 18px;
display: none;
background-color: white;
overflow: hidden;
}

Accordion Example

Section 1

Section 2

Section 3

var acc = document.getElementsByClassName(“accordion”);
var i;

for (i = 0; i < acc.length; i++) {
acc[i].addEventListener("click", function() {
this.classList.toggle("active");
var panel = this.nextElementSibling;
if (panel.style.display === "block") {
panel.style.display = "none";
} else {
panel.style.display = "block";
}
});
}