3D Animated Search Bar

<div class="input__container">
  <div class="shadow__input"></div>
  <button class="input__button__shadow">
    <svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" height="20px" width="20px">
      <path d="M4 9a5 5 0 1110 0A5 5 0 014 9zm5-7a7 7 0 104.2 12.6.999.999 0 00.093.107l3 3a1 1 0 001.414-1.414l-3-3a.999.999 0 00-.107-.093A7 7 0 009 2z" fill-rule="evenodd" fill="#17202A"></path>
    </svg>
  </button>
  <input type="text" name="text" class="input__search" placeholder="What do you want …