<div class="card">
  <h2>Radio Buttons</h2>
  
  <ul>
    <li>
      <input type="radio" name="name" id="one" checked />
      <label for="one">Option #1</label>
      
      <div class="check"></div>
    </li>
    
    <li>
      <input type="radio" name="name" id="two" />
      <label for="two">Option #2</label>
      
      <div class="check"></div>
    </li>
  </ul>
</div>

/* Variables
–––––––––––––––––––––––––––––––––––––––––––––––––– */
:root {
  --primary-c: #2196F3;
  --secondary-c: #B2D7F5;
  
  --white: #FDFBFB;
  
  --text: #082943;  
  --bg: var(--primary-c);
}


/* Basic Config
–––––––––––––––––––––––––––––––––––––––––––––––––– */
html, body {
  height: 100%;
  padding: 0;
  margin: 0;
}

body {
  background-color: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Raleway', sans-serif;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul {
  list-style-type: none;
  padding-left: 50px;
  margin: 0;
}

li {
  display: block;
  position: relative;
  padding: 20px 0px;
}

h2 {
  margin: 10px 0;
  font-weight: 900;
}


/* Card
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.card {
  display: flex;
  flex-direction: column; 
  background: var(--white);
  width: 300px;
  padding: 20px 25px;
  border-radius: 20px;
  box-shadow: 0 19px 38px rgba(0, 0, 0, 0.13);
}


/* Radio Button
–––––––––––––––––––––––––––––––––––––––––––––––––– */
input[type=radio] {
  position: absolute;
  visibility: hidden;
}

label { 
  cursor: pointer; 
  font-weight: 400;
}

.check {
  width: 30px; height: 30px;
  position: absolute;
  border-radius: 50%;
  transition: transform .6s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* Reset */
input#one ~ .check { 
  transform: translate(-50px, -25px); 
  background: var(--secondary-c); 
}
input#two ~ .check { 
  transform: translate(-50px, -83px); 
  background: var(--primary-c);
  box-shadow: 0 6px 12px rgba(33, 150, 243, 0.35);
}

/* Radio Input #1 */
input#one:checked ~ .check { transform: translate(-50px, 33px); }

/* Radio Input #2  */
input#two:checked ~ .check { transform: translate(-50px, -25px); }