.box {     
  /* width: 15em;     */
  border: 1px solid #333;
  box-shadow: 8px 8px 5px #444;
  padding: 8px 12px;
  background-image: linear-gradient(180deg, #fff, #ddd 40%, #ccc);
  border-radius: 25px;
}

.box_01 {
    display: flex;
    }


#blok1, #blok2 {
 flex: 1;
  margin: 2px;
  border: 1px solid gray;
  padding: 10px;
  /*background: lightgray;*/
  background-image: linear-gradient(180deg, #fff, #ddd 40%, #ccc);
  border-radius: 25px;
   box-shadow: 8px 8px 5px #444;
  padding: 8px 12px;

}