.container {
  width: 100%;
  height: calc(100vh - 16px);
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  position: relative;
  -webkit-transition: opacity 0.1s ease-in-out;
  transition: opacity 0.1s ease-in-out;
}
.container .cards_container {
  -webkit-box-flex: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: end;
  -ms-flex-align: end;
  align-items: center;
  z-index: 1;
}
.container .cards_container .card_container {
  display: inline-block;
  width: 90vw;
  max-width: 400px;
  height: 70vh;
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 8px;
  overflow: hidden;
  position: absolute;
  will-change: transform;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  cursor: -webkit-grab;
  cursor: grab;
}
.container .cards_container .moving.card_container {
  -webkit-transition: none;
  transition: none;
  cursor: -webkit-grabbing;
  cursor: grabbing;
}