The code is as follows:

      
  
静夜思
 
窗前明月光
 
疑是地上霜
 
举头望明月
 
低头思故乡
  

div sets the font color div{color: color}

## Set the font color in body body{text:'color'}

The background color is backgroud-color: color

Effect display:

Set the background color to gray. Text color is blue