* {
  box-sizing: border-box;
}

#panel_slider {
  position:relative;
  width:100%;
  display: flex;
  flex: 1;
}

.panel_container{
  width:80%;
  max-width: var(--panel-wide-max-width);
  margin-left: auto;
  margin-right: auto;
}

.wrapper {
  position: relative;
  /*background: #222;*/
  z-index: 1;
  width: 100%;
  display:inline-block;
}

#items {
  width: 100000px;
  position: relative;
  top: 0;
  left: -400px;
  display: inline-block;
}

#items.shifting {
  transition: left 0.3s ease-out;
}

.panel_slide {
  width: 100%;
  float: left;
  display: block;
  position: relative;
}

.control {
  position: absolute;
  top: 50%;
  width: 40px;
  height: 40px;
  background: #fff;
  border-radius: 20px;
  margin-top: -20px;
  box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.prev,
.next {
  background-size: 22px;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
}

.prev {
  background-image: url(https://cdn0.iconfinder.com/data/icons/navigation-set-arrows-part-one/32/ChevronLeft-512.png);
  left: 5px;
}

.next {
  background-image: url(https://cdn0.iconfinder.com/data/icons/navigation-set-arrows-part-one/32/ChevronRight-512.png);
  right: 5px;
}

.prev:active,
.next:active {
  transform: scale(0.8);
}
#dot-container{
  margin-top:10px;
  margin-bottom:10px;
  display:flex;
  justify-content: center;
}
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #717171;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.3s ease;
}

.active {
  background-color: #bbb;
}