/*
  CSS Selectors
  - Element + Other Element => [div + p]
  - Element ~ Other Elements => [p ~ div]
  - [Attribute]
  - Element[Attribute]
  - [Attribute=Value]
  - Element[Attribute=Value] => input[type="submit"]
  - [Attribute~=Value] => Contains A Word
  - [Attribute*=Value] => Contains A Atring
  - [Attribute^=Value] => Start With A String
*/

* {
  box-sizing: border-box;
  margin: 0;
}
body {
  font-family: Arial, Helvetica, sans-serif;
}