style.css

/* Styles go here */
body {
  background: rgb(242, 234, 223)    ;
  background-image: radial-gradient(hsla(168, 76%, 23%, 1.00) 7%, transparent 0);
  background-size: 30px 30px;
}



.btn {
  background-color: #4CAF50; /* Green background */
  
  border: 1px solid green; /* Green border */
  color: white; /* White text */
  padding: 20px 10px; /* Some padding */
  cursor: pointer; /* Pointer/hand icon */
  margin-bottom: 7px;
  margin-right: 7px;
  width: 30%;
  font-size:100%;
  text-align: center;
  
  
}

.btn:hover {
  background: darkgreen;
}


	
		.joyarea {
			width		: 50rem;
			height		: 25rem; 
      position:absolute;
      top:0px;
      bottom: 20px;
			overflow	: hidden;
			padding		: 0;
			margin		: 20px;
			-webkit-user-select	: none;
			-moz-user-select	: none;
		}

    #footer {
    position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1rem;
  background-color: #efefef;
  text-align: center;
 }


 #coords { 
  position: absolute; 
  left: 0; 
   /*padding: 20px 10px;*/
  bottom: 20px; 
  width: 50%; 
  background-color: #fafafa; 
  border: solid 3px #ff7347; 
  /*font-size: 24px; */
  text-align: center; 
} 


 #joybtn { 
  position: absolute; 
  left: 54%; 
  /*padding: 20px 10px;*/
 bottom: 20px; 
  width: 40%; 
  background-color: red; 
  border: solid 3px #ff7347; 
  /*font-size: 10px; */
  text-align: center; 
} 

/* .btn:hover {
  animation: shake 0.82s cubic-bezier(.36,.07,.19,.97) both;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  perspective: 1000px;
}

@keyframes shake {
  10%, 90% {
    transform: translate3d(-1px, 0, 0);
  }
  
  20%, 80% {
    transform: translate3d(2px, 0, 0);
  }

  30%, 50%, 70% {
    transform: translate3d(-4px, 0, 0);
  }

  40%, 60% {
    transform: translate3d(4px, 0, 0);
  }
} */