<div class="container">
<ol data-name="counter()">
<li class="list-item">Ordered list item</li>
<li class="list-item">
Ordered list item
<ol>
<li class="list-item">
Ordered list item
<ol>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
</ol>
</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
</ol>
</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
</ol>
<ol data-name="counters()">
<li class="list-item">Ordered list item</li>
<li class="list-item">
Ordered list item
<ol>
<li class="list-item">
Ordered list item
<ol>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
</ol>
</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
</ol>
</li>
<li class="list-item">Ordered list item</li>
<li class="list-item">Ordered list item</li>
</ol>
</div>
<div class="form">
<label for="style">style(counter-style):</label>
<select name="style" id="style">
<optgroup label="Numeric">
<option value="decimal">decimal</option>
<option value="decimal-leading-zero">decimal-leading-zero</option>
<option value="arabic-indic">arabic-indic</option>
<option value="armenian">armenian</option>
<option value="upper-armenian">upper-armenian</option>
<option value="lower-armenian">lower-armenian</option>
<option value="bengali">bengali</option>
<option value="cambodian">cambodian</option>
<option value="khmer">khmer</option>
<option value="cjk-decimal">cjk-decimal</option>
<option value="devanagari">devanagari</option>
<option value="georgian">georgian</option>
<option value="gujarati">gujarati</option>
<option value="gurmukhi">gurmukhi</option>
<option value="hebrew">hebrew</option>
<option value="kannada">kannada</option>
<option value="lao">lao</option>
<option value="malayalam">malayalam</option>
<option value="mongolian">mongolian</option>
<option value="myanmar">myanmar</option>
<option value="oriya">oriya</option>
<option value="persian">persian</option>
<option value="lower-roman">lower-roman</option>
<option value="upper-roman">upper-roman</option>
<option value="tamil">tamil</option>
<option value="telugu">telugu</option>
<option value="thai">thai</option>
<option value="tibetan">tibetan</option>
</optgroup>
<optgroup label="Alphabetic">
<option value="lower-alpha">lower-alpha</option>
<option value="lower-latin">lower-latin</option>
<option value="upper-alpha">upper-alpha</option>
<option value="upper-latin">upper-latin</option>
<option value="lower-greek">lower-greek</option>
<option value="hiragana">hiragana</option>
<option value="hiragana-iroha">hiragana-iroha</option>
<option value="katakana">katakana</option>
<option value="katakana-iroha">katakana-iroha</option>
</optgroup>
<optgroup label="Fixed">
<option value="cjk-earthly-branch">cjk-earthly-branch</option>
<option value="cjk-heavenly-stem">cjk-heavenly-stem</option>
</optgroup>
</select>
</div>
@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");
* {
box-sizing: border-box;
}
body {
inline-size: 100vw;
min-block-size: 100vh;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 10px;
font-family: "Exo", Arial, sans-serif;
background-color: #f7f7f7;
line-height: 2;
}
.container {
padding: 10px 20px;
background: #fff;
box-sizing: border-box;
box-shadow: 0 2px 4px rgb(0 0 0 / 20%);
border-radius: 5px;
position: relative;
width: 80%;
min-width: 320px;
display: grid;
grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
gap: 20px;
place-content: center;
place-items: start center;
}
.container ol {
position: relative;
list-style: none;
}
.container > ol::before {
content: attr(data-name);
font-weight: 900;
font-size: 2rem;
margin-bottom: 1.5rem;
display: flex;
justify-content: center;
color: #090f89;
text-shadow: 1px 1px 0 rgb(0 0 0 / 0.5);
}
li::before {
display: inline-flex;
color: #fff;
background-color: #f36;
padding: 10px;
line-height: 1;
font-size: 2rem;
margin-right: 10px;
aspect-ratio: 1 / 1;
justify-content: center;
align-items: center;
clip-path: polygon(
0% 0%,
89% 0,
89% 40%,
100% 50%,
89% 61%,
88% 100%,
0 100%
);
border-radius: 50%;
font-size: 85%;
}
li li::before {
background-color: #09f;
}
li li li::before {
background-color: #89f;
}
.form {
position: fixed;
left: 0;
bottom: 0;
right: 0;
background: rgb(0 0 0 / 0.8);
padding: 10px;
color: #fff;
display: flex;
justify-content: center;
align-items: center;
gap: 5px;
}
ol {
counter-reset: order;
}
li {
counter-increment: order;
}
ol:nth-child(1) li::before {
content: counter(order, var(--style, decimal));
}
ol:nth-child(2) li::before {
content: counters(order, "_", var(--style, decimal));
}
const rootEle = document.documentElement;
const select = document.getElementById("style");
select.addEventListener("change", (etv) => {
rootEle.style.setProperty("--style", etv.target.value);
});
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This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.