<div class="file-tree">
  <ul>
    <li>
      <details open>
        <summary>&#128193; Project Root</summary>
        <ul>
          <li>
            <details>
              <summary>&#128193; src</summary>
              <ul>
                <li>&#128196; index.html</li>
                <li>&#128196; style.css</li>
                <li>&#128196; script.js</li>
              </ul>
            </details>
          </li>
          <li>
            <details>
              <summary>&#128193; assets</summary>
              <ul>
                <li>&#128444; logo.png</li>
                <li>&#128444; banner.jpg</li>
              </ul>
            </details>
          </li>
          <li>&#128196; README.md</li>
        </ul>
      </details>
    </li>
  </ul>
</div>

.file-tree {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px;
  border-radius: 12px;
  max-width: 300px;
}
ul {
  list-style: none;
  padding-left: 20px;
}
.file-tree > ul {
  padding-left: 0;
  margin: 0;
}
li {
  margin: 5px 0;
}
summary {
  cursor: pointer;
  list-style: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
summary::-webkit-details-marker {
  display: none;
}
summary:hover {
  background: #334155;
}
summary::before {
  content: "\25B6";
  font-size: 0.6rem;
  margin-right: 5px;
  transition: transform 0.2s;
  color: #94a3b8;
}
details[open] > summary::before {
  transform: rotate(90deg);
}
.file-tree li:not(:has(details)) {
  padding-left: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #94a3b8;
  padding-top: 4px;
  padding-bottom: 4px;
}
.file-tree li:not(:has(details)):hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
}

Back to Snippets

Tree View File Explorer CSS

Display hierarchical data like folders and files. This tree view uses nested lists and simple CSS to create a collapsible structure, making it easy for users to navigate complex directories.

641

#css

#html

#tree view

#file explorer

#folder

#navigation

#details summary

Run /HTML *CSS ()JS Output Console0 Live Updates Focus

.file-tree {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px;
  border-radius: 12px;
  max-width: 300px;
}
ul {
  list-style: none;
  padding-left: 20px;
}
.file-tree > ul {
  padding-left: 0;
  margin: 0;
}
li {
  margin: 5px 0;
}
summary {
  cursor: pointer;
  list-style: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
summary::-webkit-details-marker {
  display: none;
}
summary:hover {
  background: #334155;
}
summary::before {
  content: "\25B6";
  font-size: 0.6rem;
  margin-right: 5px;
  transition: transform 0.2s;
  color: #94a3b8;
}
details[open] > summary::before {
  transform: rotate(90deg);
}
.file-tree li:not(:has(details)) {
  padding-left: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #94a3b8;
  padding-top: 4px;
  padding-bottom: 4px;
}
.file-tree li:not(:has(details)):hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
}