<div class="imageFrame--type001">
  <figure class="button__image">
    <img src="画像のパス" width="" height="" alt="" />
  </figure>
</div>
                

.imageFrame--type001 {
  display:block;
  figure{
    background:#FFF;
    padding:0.2em;
    box-shadow:0px 0px 0.8em -0.4em rgba(0,0,0,0.5);
    position:relative;
    z-index:1;
    &::before{
      content:"";
      display:block;
      width:70%;
      height:50%;
      background:rgba(0,0,0,.3);
      position:absolute;
      bottom:10%;
      left:15%;
      filter:blur(2em);
      border-radius:5em;
      z-index:-1;
    }
    img{
      width:100%;
      height:auto;
    }
  }
}