/* /////////////////////////////// */
/* HEADER FOR DRAGGABLE WIDGET     */ 
/* /////////////////////////////// */

#mydiv {
  position: absolute;
  z-index: 9;
  background-color: #f1f1f1;
  text-align: center;
  border: 1px solid #d3d3d3;
}

#mydiv {
  position: absolute;
  z-index: 9;
  background-color: #f1f1f1;
  text-align: center;
  border: 1px solid #d3d3d3;
}



#mydivheader {
  padding: 10px;
  cursor: move;
  z-index: 10;
  background-color: red;
  color: #fff;
}

/* /////////////////////////////// */
/* FLIP CARD                       */ 
/* /////////////////////////////// */
.flip-card {
  background-color: transparent;
  width: 300px;
  height: 400px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.hover-effect .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.flip-card-front {
  background-color: #bbb;
  color: black;
}

.flip-card-back {
  background-color: yellow;
  color: black;
  transform: rotateY(180deg);
}