styles.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #1A1423;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

#game {
  width: 100vmin;
  height: 70vmin;
  outline: 10px solid black;
  overflow: hidden;
}

.clouds {
  height: 70%;
  width: 100%;
  background: linear-gradient(#5465FF, #FEA82F 80%);
  position: relative;
}

.road {
  height: 30%;
  width: 100%;
  background: #898989;
  position: relative;
}

.score {
  font-family: 'Courier New', Courier, monospace;
  font-size: 3vmin;
  color: #1A1423;
  font-weight: bold;
  position: absolute;
  top: 1vmin;
  right: 1vmin;
}

.cloud {
  width: 30vmin;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  position: absolute;
}

.dino {
  height: 120%;
  position: absolute;
  z-index: 100;
  /* outline: 10px solid red; */
}

.road-line {
  width: 20%;
  height: 10%;
  background: #fffaf1;
  position: absolute;
  z-index: 1;
}

.food {
  width: 15%;
  z-index: 2;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  position: absolute;
  /* outline: 10px solid red; */
}