# Thuộc tính tabindex="-1" không ngờ lại nguy hiểm vậy đọc bài dưới 😌 ```html Custom Accordion
``` ```css @import url("https://fonts.googleapis.com/css2?family=Quicksand&display=swap"); * { margin: 0; padding: 0; box-sizing: border-box; transition: all 0.25s ease; } body { min-height: 100vh; min-width: 700px; display: flex; justify-content: center; align-items: center; padding: 50px; font-family: "Quicksand", sans-serif; background: hsl(0, 0%, 95%); } .accordion { width: 400px; } .accordion input { display: none; } .accordion-item { --hue: 205; --title-color: hsl(var(--hue), 90%, 20%); --icon-color: hsl(var(--hue), 90%, 40%); --bg: hsla(var(--hue), 100%, 90%, 0.8); position: relative; display: block; cursor: pointer; margin-bottom: 10px; } .accordion-head { background: #ffffff; display: flex; justify-content: center; align-items: center; padding: 20px; border: 1px solid transparent; border-radius: 10px; box-shadow: 0 5px 10px hsla(0, 0, 0%, 0.06); } .accordion-head:hover { border-color: var(--icon-color); } .accordion-icon { font-size: 30px; margin-right: 15px; color: var(--icon-color); } .accordion-title { font-size: 20px; font-weight: 700; color: var(--title-color); } .accordion-body { height: 0; overflow: hidden; } .accordion-text { background: var(--bg); border: 1px solid var(--bg); border-radius: 10px; margin-top: 5px; padding: 15px 20px; color: #0009; font-weight: 600; } .item-2 { --hue: 260; } .item-3 { --hue: 330; } .item-4 { --hue: 100; } #logo { position: absolute; bottom: 0; right: 0; margin-right: 2rem; margin-bottom: 2rem; color: #000; font-weight: 700; } #logo span { color: hsl(39, 100%, 50%); } .arrow-icon { position: absolute; right: 0; font-size: 20px; font-weight: bolder; margin-right: 30px; border: 3px solid var(--icon-color); border-radius: 50%; text-align: center; } :is(#item-1, #item-2, #item-3, #item-4):checked + .accordion-item .accordion-body { height: 150px; } :is(#item-1, #item-2, #item-3, #item-4):checked + .accordion-item .accordion-head .arrow-icon { transform: rotate(180deg); } ```
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