House Digest on MSN: 16 important steps to take before starting a garden

Whether you're planting in raised beds, containers, or in the ground, these tips will help you plan before starting a new garden to guarantee the most success.

The ::before notation (with two colons) was introduced in CSS3 in order to establish a discrimination between pseudo-classes and pseudo-elements. Browsers also accept the notation :before introduced in CSS 2.

Everything else is vanilla CSS, ::after, ::before are pseudo elements, .relative and .radio are class selectors, :checked is a pseudo class for input types radio and checkbox, and + is an adjacent sibling selector

Hence, a:hover::before and a:visited::before. But if you're developing for legacy browsers such as IE8 and older, then you can get away with using single colons just fine. This specific order of pseudo-classes and pseudo-elements is stated in the spec: One pseudo-element may be appended to the last sequence of simple selectors in a selector.

Before moving to my question, I know how the :before and :after selectors work. (not a duplicate of what is ::before or ::after expression). My question is in regards to use.

The code marked @Before is executed before each test, while @BeforeClass runs once before the entire test fixture. If your test class has ten tests, @Before code will be executed ten times, but @BeforeClass will be executed only once. In general, you use @BeforeClass when multiple tests need to share the same computationally expensive setup code. Establishing a database connection falls into ...