.container {
  width: 100%;
	height: 100%;
	margin-bottom: 15px;
	float: left;
}

.highcharts-description {
  font-family: "Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif;
}

@media (min-width: 768px){
  .container {
    width: 50%;
    height: 400px;
    margin-bottom: 15px;
    float: left;
  }
}