.header-info {
    position: relative;
    text-align: center;
    > em {
        background-color: #e8e8e8;
        position: absolute;
        height: 56px;
        width: 1px;
        top: 0;
        right: 0;
    }
}
.demo-chart {
    height: 400px;
  }

@media screen and (max-width: 576px) {
    .header-info {
        margin-bottom: 16px;
        > em {
            display: none;
        }
    }
}