* {
    box-sizing: border-box;
}
  
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: black;
    color: darkgray;
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

p#awesome {
    position: absolute;
    bottom: 5px;
    left: 20px;
}
#box {
    height: 100%;
    width: 100%;

}
img {
    position: absolute;
    animation-name: imageanim;
    animation-duration: 2s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;    
    animation-direction: alternate;
}

@keyframes imageanim {
    from { rotate: -10deg; }
    to { rotate: 10deg; }
  }