leptonic-app-bar { position: sticky; top: 0; display: flex; flex-direction: row; align-items: center; justify-content: space-between; color: var(--app-bar-color); background-color: var(--app-bar-background-color); border-bottom: var(--app-bar-border-bottom); width: 100%; height: var(--app-bar-height); z-index: 999; box-shadow: var(--app-bar-box-shadow); overflow: hidden; }