body {
    background: #d0d4dd;
    margin: 0px;
    position: relative;
  }
.grumpy {
    
}
.cat {
    background-image: url("grumpy.jpg") ;
    background-repeat: no-repeat;
    background-position: bottom;
    max-width: 1000px;
    width: 100vw;
    height: 100vh;
}