css rgba transparent background code example
Example 1: background color cs rgba
#p1 {background-color:rgba(255,0,0,0.3);}
Example 2: background color with opacity
h1 {background-color:rgba(255,0,0,0.3);}
#p1 {background-color:rgba(255,0,0,0.3);}
h1 {background-color:rgba(255,0,0,0.3);}