image responsive html code example

Example 1: make a background image responsive css

html {
   min-height: 100%;
   background-image: url(image.jpg);
   background-size: cover;
   background-repeat: no-repeat;
   background-position: center center;
}

Example 2: responsive img

.responsive-img {
  max-width:100%;
  display:block;
  height:auto;
}