html {
  box-sizing: border-box;
  background-image: url(https://th.bing.com/th/id/OIP.lJZVeG6Xz_q6Y_KaQN4tDAHaEo?r=0&o=7rm=3&rs=1&pid=ImgDetMain&o=7&rm=3);
  background-repeat: no-repeat;
  background-size: cover;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {

}