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  1. Please explain these multiple values of box shadow to me.

    Web Design & Development
    I was inspecting few material designs shadows, and many of them has used box shadow property like this. I don't understand. I'm learning new. They are already defining top, right, bottom and left right? then what are the rest of the values for? box-shadow: 0px 2px 4px -1px grey, 0 4px 5px 1px...
  2. Why border-collapse doesn't work on th and td?

    Web Design & Development
    table, th, td {border: 1px solid blue;} table {border-collapse: collapse;} This will collapse the table's border onto the th and td. Why not vice versa? i.e. Collapse th and td's border into table's? I tried table, th, td {border: 1px solid blue;} th, td {border-collapse: collapse;} but doesn't...
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