JSFiddle - React, Tailwind, and code Playground

HTML

<div class="slider">
  <!-- Controls -->
  <div class="controls">
    <label for="slider1">Red</label>
    <label for="slider2">Blue</label>
    <label for="slider3">Green</label>
  </div>

  <!-- Slider -->
  <div class="slider-container">
    <!-- Radio buttons -->
    <input type="radio" id="slider1" name="slider" checked>
    <input type="radio" id="slider2" name="slider">
    <input type="radio" id="slider3" name="slider">

    <!-- Rectangles to show based on selection -->
    <div class="rectangles">
      <div class="rectangle rectangle1"></div>
      <div class="rectangle rectangle2"></div>
      <div class="rectangle rectangle3"></div>
    </div>
  </div>
</div>

CSS

.slider {
  display: flex;
}

.controls {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  margin-right: 20px;
}

/* Hide radio buttons */
input[type="radio"] {
  display: none;
}

/* Style for visible rectangles */
.rectangles {
  position: relative;
  width: 200px;
  height: 150px;
}

/* Base rectangle style */
.rectangle {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* When associated radio button is checked, show rectangle */
#slider1:checked ~ .rectangles .rectangle1 {
  opacity: 1;
}

#slider2:checked ~ .rectangles .rectangle2 {
  opacity: 1;
}

#slider3:checked ~ .rectangles .rectangle3 {
  opacity: 1;
}

/* Colors for the rectangles */
.rectangle1 {
  background-color: red;
}

.rectangle2 {
  background-color: blue;
}

.rectangle3 {
  background-color: green;
}

/* Style for the slider controls */
.controls {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

label {
  padding: 1em;
  min-width: 5em;
  text-align: center;
  background-color: lightgray;
  cursor: pointer;
}

/* Add styling when selected */
input[type="radio"]:checked + label {
  background-color: darkgray;
}