What is CSS selector?

A CSS selectors is used to select HTML elements based on their name,id,class and attribute. It is the part of a CSS rule that actually selects the content we want to style.

Type of CSS selectors

• Universal Selector
  For Example
  * {
color: green;
}
• Element Type Selector
  For Example
  ul {
list-style: none;
}
• ID Selector
  #container {
width: 960px;
}
• Class Selector
  For Example
  .box {
padding: 20px;
}
• Attribute Selector
  For Example
  input[type="text"] {
background-color: #444;
}