HTML



    <svg version="1.1" id="lineLoader1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
       width="24px" height="30px" viewBox="0 0 24 30" style="enable-background:new 0 0 50 50;" xml:space="preserve">
      <rect x="0" y="13" width="4" height="5" fill="#fff">
        <animate attributeName="height" attributeType="XML"
          values="5;21;5"
          begin="0s" dur="0.6s" repeatCount="indefinite" />
        <animate attributeName="y" attributeType="XML"
          values="13; 5; 13"
          begin="0s" dur="0.6s" repeatCount="indefinite" />
      </rect>
      <rect x="10" y="13" width="4" height="5" fill="#fff">
        <animate attributeName="height" attributeType="XML"
          values="5;21;5"
          begin="0.15s" dur="0.6s" repeatCount="indefinite" />
        <animate attributeName="y" attributeType="XML"
          values="13; 5; 13"
          begin="0.15s" dur="0.6s" repeatCount="indefinite" />
      </rect>
      <rect x="20" y="13" width="4" height="5" fill="#fff">
        <animate attributeName="height" attributeType="XML"
          values="5;21;5"
          begin="0.3s" dur="0.6s" repeatCount="indefinite" />
        <animate attributeName="y" attributeType="XML"
          values="13; 5; 13"
          begin="0.3s" dur="0.6s" repeatCount="indefinite" />
      </rect>
    </svg>


CSS


#lineLoader1 {
width:50px;
height:50px;
}