This is a set of CSS classes for an website The code provides styles for hover effects on different elements of the website. The classes are used to change the appearance of an element when it is hovered over. For example, .agl-hover class is used to give an outline, background color and box shadow to an element when it is hovered over. Similarly, .agl-highlight-current and .agl-highlight-similar classes are used to highlight different types of elements on the website.