.calendar div[data-month-level] { width: 100%; display: flex; flex-direction: column; } .errorIndicator { top: calc(var(--mantine-spacing-md) + var(--mantine-spacing-xl)); inset-inline-end: 4px; z-index: 1; padding: 2px; border: 1px solid rgb(from var(--mantine-primary-color-filled) r g b / calc(var(--opacity, 1) * 0.45)); border-radius: var(--mantine-radius-sm); background-color: rgb(from var(--mantine-color-secondaryColor-filled) r g b / calc(var(--opacity, 1) * 0.18)); }