Bootstrap

這是本文件的舊版！

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• Beverages
  • Water
  • Coffee
  • Tea
    • Black Tea
    • White Tea
    • Green Tea
      • Sencha
      • Gyokuro
      • Matcha
      • Pi Lo Chun

/* Remove default bullets */ ul, #myUL { list-style-type: none; } /* Remove margins and padding from the parent ul */ #myUL { margin: 0; padding: 0; } /* Style the caret/arrow */ .caret { cursor: pointer; user-select: none; /* Prevent text selection */ } /* Create the caret/arrow with a unicode, and style it */ .caret::before { content: "\25B6"; color: black; display: inline-block; margin-right: 6px; } /* Rotate the caret/arrow icon when clicked on (using JavaScript) */ .caret-down::before { transform: rotate(90deg); } /* Hide the nested list */ .nested { display: none; } /* Show the nested list when the user clicks on the caret/arrow (with JavaScript) */ .active { display: block; } var toggler = document.getElementsByClassName("caret"); var i; for (i = 0; i < toggler.length; i++) { toggler[i].addEventListener("click", function() { this.parentElement.querySelector(".nested").classList.toggle("active"); this.classList.toggle("caret-down"); }); }