TIL (Today I learned)

TIL #12

Overflowing block-level elements with overflow set to scroll or auto are focusable in Firefox.
TIL #11

You can use conditional comments to target specific versions of Outlook.
TIL #10

You can turn the outline of an element to the _inside_ by setting the outline-offset property to a negative value. (Not supported in IE)
TIL #9

You can center a flex-item vertically and horizontally by applying margin: auto; to it.
TIL #8

If you press CMD/Ctrl and click on a property or property value in the style panel, @ChromeDevTools jumps directly to the respective css/scss file and line.
TIL #7

About the @at-root directive. It moves nested styles out from within a parent selector or nested directive.
TIL #6

IE 11 requires a unit to be added to the third argument (flex-basis) of the flex property.
TIL #5

You can use `navigator.connection` to get information about the connection like round-trip time, bandwidth, connection type (e.g. 3g, 4g) or if Data-Saver is enabled.
TIL #4

The grid-auto-flow property takes up to two values. row, column, dense, row dense, or column dense.
TIL #3

You can pass an `options` object, which only has a single property, to the `focus()` method to prevent scrolling on focus.
TIL #2

There's a tab-size property. It controls the width of the tab (U+0009) character.
TIL #1

How to get a random background-color (or any other value) each time I compile Sass.

TIL (Today I learned) - Manuel Matuzović