Create a spinner element for fun and profit.

Spinner.spinner
    [ Spinner.grow
    , Spinner.large
    , Spinner.color Text.secondary
    , Spinner.attrs
    ]
    [ Spinner.srMessage "Loading..." ]

Make the spinner grow/shrink (default border spinner).

Make the spinner smaller.

Make the spinner larger.

Set the spinner color by using one of the available Bootstrap.Text colors.

Use this function to handle any Html.Attribute option you wish for your spinner

Opaque type for spinner options.

Helper function to create a screen reader message element.