<div class="toggleContainer">
  <h3><label for="switch1">Section Title</label></h3>
  <div class="trainingToggle">
    <input type="checkbox" class="switch" id="switch1" />
    <label for="switch1">Toggle</label>
    <table>
      <tr class="workout">
        <td>this content appears when toggle is on</td>
      </tr>
      <tr class="workoutWrap">
        <td>this content always appears</td>
      </tr>
    </table>
  </div>
  <h3><label for="switch2">Section Title</label></h3>
  <div class="trainingToggle">
    <input type="checkbox" class="switch" id="switch2" />
    <label for="switch2">Toggle</label>
    <table>
      <tr class="workout">
        <td>this content appears when toggle is on</td>
      </tr>
      <tr class="workoutWrap">
        <td>this content always appears</td>
      </tr>
    </table>
  </div>
  <h3><label for="switch3">Section Title</label></h3>
  <div class="trainingToggle">
    <input type="checkbox" class="switch" id="switch3" />
    <label for="switch3">Toggle</label>
    <table>
      <tr class="workout">
        <td>this content appears when toggle is on</td>
      </tr>
      <tr class="workoutWrap">
        <td>this content always appears</td>
      </tr>
    </table>
  </div>
</div>

.toggleContainer {
  margin: 2em;
}
h3 {
  font-size: 2em;
  margin: 10px 0px 10px 55px;
}
h3 label:hover {
  cursor:pointer;
}
.trainingToggle {
  position: relative;
}
.trainingToggle input[type=checkbox] {
  height: 0;
  width: 0;
  visibility: hidden;
  position: absolute;
}
.trainingToggle label {
  cursor: pointer;
  text-indent: -9999px;
  width: 45px;
  height: 26px;
  background: #bdbdbd;
  border-radius: 100px;
    top: -39px;
  left: 0;
  position: absolute;
  display: inline-block;
}

.trainingToggle label:after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: 90px;
  transition: 0.3s;
}

.trainingToggle input:checked + label {
  background: #5277a4;
}

.trainingToggle input:checked + label:after {
  left: calc(100% - 2px);
  transform: translateX(-100%);
}

.trainingToggle label:active:after {
  width: 22px;
}

.switch ~ table tr.workout {
  display: none;
}

.switch:not(:checked) ~ table tr.workoutWrap {
  border: 0;
  background: none;
}

.switch:not(:checked) ~ table tr.workoutWrap td {
  padding: 0;
}

.switch:checked ~ table tr.workout {
  display: inherit;
}