.chart {
	position:relative;
}

.move-btn-content {
	position: absolute;
	top: 40px;
	left: 20px;
	width: 74px;
	height: 74px;
	background-color: #fff;
	-webkit-border-radius: 100px;
	-moz-border-radius: 100px;
	border-radius: 100px;
	display: -webkit-box;
	/* OLD - iOS 6-, Safari 3.1-6 */
	display: -moz-box;
	/* OLD - Firefox 19- (buggy but mostly works) */
	display: -ms-flexbox;
	/* TWEENER - IE 10 */
	display: -webkit-flex;
	/* NEW - Chrome */
	display: flex;
	/* NEW, Spec - Opera 12.1, Firefox 20+ */
	-webkit-flex-direction: row;
	flex-direction: row;
	flex-wrap: wrap;
	transform: rotate(45deg);
	border: 1px solid #E8E8E8;
  }

  .btn-default {
	background-size: 24px;
	background-position: center;
	background-repeat: no-repeat;
	border: none;
	background-color: transparent;
  }

  #up {
	width: 36px;
	height: 36px;
	background-size: 1.8rem;
	background-image: url("/img/ico24top.svg");
  }

  #down {
	width: 36px;
	height: 36px;
	background-size: 1.8rem;
	background-image: url("/img/ico24down.svg");
  }

  #left {
	width: 36px;
	height: 36px;
	background-size: 1.8rem;
	background-image: url("/img/ico24left.svg");
  }

  #right {
	width: 36px;
	height: 36px;
	background-size: 1.8rem;
	background-image: url("/img/ico24right.svg");
  }