Sets the default alignment in the cross axis for all of the flex container’s items, including anonymous flex items, similarly to how justify-content aligns items along the main axis.
The align-items property is used to set the alignment of items inside the flexible container or in the given window. It aligns the Flex Items across the axis. The align-self property is used to override the align-items property.
align-items: stretch|center|flex-start|flex-end|baseline|initial| inherit;