我使用 CSS 而不是 Fontawesome 来生成箭头。我认为这比加载单独的图标库更有意义。然而,我很难将这些 CSS 箭头定位到中心,当它向上指向时,它看起来很棒,我认为它位于中心或至少靠近中心,但是当它向下指向时,看起来箭头向底部移动。如果有任何建议,我将不胜感激
"use strict";
const panelHeader = document.querySelectorAll(".panel-header");
panelHeader.forEach(item => {
item.addEventListener("click", event => {
event.preventDefault();
item.parentElement.classList.toggle("open");
const panel = item.nextElementSibling;
panel.style.height = panel.style.height ? null : panel.scrollHeight + "px";
});
});
:root {
box-sizing: border-box;
}
*,
*::before,
*::after {
box-sizing: inherit;
}
body {
margin: 0;
padding: 0;
}
.accordion {
max-width: 1200px;
margin: 0 auto;
}
.accordion-container {
padding: 15px;
}
h2 {
color: #444;
font-size: 1.75rem;
position: relative;
padding: 0 0 25px 0;
margin: 15px 0 20px 0;
}
h2::after {
content: "";
position: absolute;
bottom: 0;
left: 0;
width: 50px;
height: 5px;
background: #f79c31;
}
.panel-container > .panel + .panel {
margin-top: 15px;
}
.panel {
background: #f9f9f9;
border: 1px solid #ddd;
border-radius: 0.1875em;
}
.panel-header {
background: #564990;
border-color: #564990;
border-top-left-radius: 0.1875em;
border-top-right-radius: 0.1875em;
position: relative;
transition: background .25s linear;
}
.panel-header > h4 {
margin: 0;
}
.panel-header > h4 > a {
position: relative;
display: block;
color: #fff;
font-size: 1.125rem;
text-decoration: none;
padding: 15px 50px 15px 15px;
}
.panel-header:hover {
background: #443776;
}
.panel-body {
height: 0;
overflow: hidden;
transition: 0.3s height 0.2s;
}
.panel-body-container {
padding: 15px;
}
.arrow {
position: absolute;
top: 22px;
right: 10px;
font-size: 1.7rem;
border: solid #fff;
border-width: 0 4px 4px 0;
display: inline-block;
padding: 5px;
opacity: .5;
transform: rotate(-135deg);
transition: transform 0.15s linear;
}
.arrow-up {
}
.panel.open .arrow {
transform: rotate(-315deg);
transform-origin: center center;
}
慕运维8079593
aluckdog
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