.parent {
  
  border: 2px solid #DFA612;
  color: black;
  font-family: sans-serif;
  font-weight: bold;
}

.origin {
  position:relative;
  width: 100%;  
  height: 200px;
  
}
.draggable {
  position: absolute;
}

.card {
  	width: 150px;
  	height: 175px;
  	
}

.dropzone {
 border: 2px solid #DFA612;
  color: green;
  width:100%;
  height:200px;
  
}
.cardholder {
 border: 2px dashed green;
  width: 150px;
  height:175px;
  /*margin-left:10px;*/
  /*margin-top:10px;*/
  position: absolute;
  
}

#shuffleDiv {
  visibility: hidden;
  text-align: center;
  
}
#shuffle {
	font-size:28pt;
}




:root {
  --primary: #77aaff;
  --secondary: #FE4880;
  --dark: #212121;
  --light: #F3F3F3;
}

.card {
  width: 150px;
  height: 175px;
  perspective: 1000px;
}

.card__inner {
  width: 150px;
  height: 175px;
  transition: transform 1s;
  transform-style: preserve-3d;
  cursor: pointer;
  /*position: relative;*/
  left:900px;
}

.card__inner.is-flipped {
  transform: rotateY(180deg);
}


.card__face {
  /*position: absolute;*/
  width: 150px;
  height: 175px;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  overflow: hidden;
  /*border-radius: 16px;*/
  /*box-shadow: 0px 3px 18px 3px rgba(0, 0, 0, 0.2);*/
}

.card__face--front {
  /*background-image: linear-gradient(to bottom right, var(--primary), var(--secondary));*/
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__face--back {
  background-color: var(--primary);
  transform: rotateY(180deg);
}