<div class="section">
  <div class="box closed">
    <label class="control-label">
      Набор 1
    </label>
    <div class="list">
      <div class="button">
        <label>
          <input type="radio">
          <span>1.1</span>
        </label>
      </div>
      <div class="button">
        <label>
          <input type="radio">
          <span>1.2</span>
        </label>
      </div>
      <div class="button">
        <label>
          <input type="radio">
          <span>1.3</span>
        </label>
      </div>
    </div>
  </div>
  <div class="box closed">
    <label class="control-label">
      Набор 2
    </label>
    <div class="list">
      <div class="button">
        <label>
          <input type="radio">
          <span>1.2</span>
        </label>
      </div>
      <div class="button">
        <label>
          <input type="radio">
          <span>2.2</span>
        </label>
      </div>
      <div class="button">
        <label>
          <input type="radio">
          <span>2.3</span>
        </label>
      </div>
    </div>
  </div>
</div>
.section {
  padding: 15px;
}
.box {
  width: 320px;
  margin-bottom: 20px;
  padding: 10px;
  border: 1px solid black;
}
.box.closed .list {
  display: none;
}
.control-label {
  position: relative;
  display: block;
  padding: 5px;
}
.button label {
  display: inline-block;
  width: 100%;
  padding: 5px 0;
}
.box .control-label:before {
  content: "^";
  position: absolute;
  top: 0;
  right: 5px;
  font-size: 30px;
}
.box.opened .control-label:before {
  top: -10px;
  transform: rotate(-180deg);
}
.button label:hover {
  background: #ececec;
}
$('.section .box .control-label').on('click', function () {
    if ( $(this).parent().hasClass('closed') ) {
        $(this).parent().removeClass('closed');
        $(this).parent().addClass('opened');
    } else {
        if ( $(this).parent().hasClass('opened') ) {
            $(this).parent().removeClass('opened');
            $(this).parent().addClass('closed');
        }
    }
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js