how to change size text fields css code example

Example 1: html input background color

input[type="text"], textarea {

  background-color : #d1d1d1; 

}

Example 2: css color of input

input{
  background-color: white; /*The color of your choice here*/
}

Example 3: input background color

<input style="background-color: gold;" type="text" value="">