باز شدن منو با زدن روی اون بدون js و با css

سلام

<h2>Checkbox version</h2>

<div class="dropdown">
  <input type="checkbox" id="my-dropdown" value="" name="my-checkbox">
  <label for="my-dropdown"
     data-toggle="dropdown">
  Choose one
  </label>
  <ul>
    <li><a href="#">Coffee</a></li>
    <li><a href="#">Coverage</a></li>
    <li><a href="https://twitter.com/hashtag/covfefe">Covfefe</a></li>
  </ul>
</div>

<h2>Anchor version</h2>

<div class="dropdown">
  <ul id="my-dropdown2">
    <li><a href="#">Coffee</a></li>
    <li><a href="#">Coverage</a></li>
    <li><a href="https://twitter.com/hashtag/covfefe">Covfefe</a></li>
  </ul>
  <a href="#my-dropdown2"
     aria-controls="my-dropdown2"
     role="button"
     data-toggle="dropdown"
     id="my-dropdown2-btn">
  Choose one
  </a>
  <a href="#my-dropdown2-btn"
     aria-controls="my-dropdown2"
     role="button"
     data-toggle="dropdown"
     class="close">
  Close dropdown
  </a>
</div>

و css

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown > input[type="checkbox"] {
  position: absolute;
  left: -100vw;
}

.dropdown > label,
.dropdown > a[role="button"] {
  display: inline-block;
  padding: 6px 15px;
  color: #333;
  line-height: 1.5em;
  text-decoration: none;
  border: 1px solid #8c8c8c;
  cursor: pointer;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
}

.dropdown > label:hover,
.dropdown > a[role="button"]:hover,
.dropdown > a[role="button"]:focus {
  border-color: #333;
}

.dropdown > label:after,
.dropdown > a[role="button"]:after {
  content: "\f0d7";
  font-family: FontAwesome;
  display: inline-block;
  margin-left: 6px;
}

.dropdown > ul {
  position: absolute;
  z-index: 999;
  display: block;
  left: -100vw;
  top: calc(1.5em + 14px);
  border: 1px solid #8c8c8c;
  background: #fff;
  padding: 6px 0;
  margin: 0;
  list-style: none;
  width: 100%;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
  -webkit-box-shadow: 0 3px 8px rgba(0,0,0,.15);
  -moz-box-shadow: 0 3px 8px rgba(0,0,0,.15);
  box-shadow: 0 3px 8px rgba(0,0,0,.15);
}

.dropdown > ul a {
  display: block;
  padding: 6px 15px;
  text-decoration: none;
  color: #333;
}

.dropdown > ul a:hover,
.dropdown > ul a:focus {
  background: #ececec;
}

.dropdown > input[type="checkbox"]:checked ~ ul,
.dropdown > ul:target {
  left: 0;
}

.dropdown > [type="checkbox"]:checked + label:after,
.dropdown > ul:target ~ a:after {
  content: "\f0d8";
}

.dropdown a.close {
  display: none;
}

.dropdown > ul:target ~ a.close {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  text-indent: -100vw;
  z-index: 1000;
}

/*
 Demo purposes only
*/
*,
*:before,
*:after {
  box-sizing: border-box;
}

body {
  padding: 30px;
  color: #333;
}

.dropdown + h2 {
  margin-top: 60px;
}

@spaceandtime24