.hc-layout-box { position: relative; height: 100%; display: flex; .hc-layout-left-box { width: 260px; position: relative; background: #f1f5f8; border-radius: 10px; box-shadow: -2px 0 10px 0 rgba(32,37,50,0.03), 0 10px 21px 20px rgba(32,37,50,0.03); } .hc-layout-content-box { flex: 1; display: inline-grid; position: relative; margin-left: 24px; } }