lass="card bg-light mb-4" @change="change" @dragover="dragover" @drop="drop">
        <div class="card-body">
          <div class="p-5 text-center">Drop image here or <label class="text-primary">browse... <input type="file" class="sr-only" id="file" accept="image/*" ref="input"></label></div>
        </div>
      </div>
      <div class="row">
        <div class="col-lg-4 mb-4">
          <div class="card h-100">
            <h4 class="card-header">Options</h4>
            <div class="card-body">
         