@-ms-viewport {
  width: 1024px;
  height: 768px;
  orientation: landscape;
}

@viewport {
  width: 1024px;
  height: 768px;
}

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
body {
  margin: 0;
  padding: 0px;
  width: 1024px;
  height: 768px;
}
.content {
  width: 100%;
  height: 100%;
  background-color: gray;
}

a {
   outline: 0;
}

#tabellone_gioco {

	width: 1024px;
	height:768px;
	
	position:relative;
	margin:auto;
	
	background-image:url(../img/sfondo-gioco.jpg);
	background-size:contain; 
	background-repeat: no-repeat; 
	background-position:center;	
}

.pallina {
	width: 14px;
	height: 14px;
	-webkit-border-radius: 7px;
	-moz-border-radius: 7px;
	border-radius: 7px;
	position: absolute;
	
	cursor:pointer;
}

.azzurra {
	background-color:#a1daf7;
}

.viola {
	background-color:#a8599e;
}

.attiva {
	-webkit-box-shadow: 1px 1px 5px -1px rgba(50, 50, 50, 0.75);
	-moz-box-shadow:    1px 1px 5px -1px rgba(50, 50, 50, 0.75);
	box-shadow:         1px 1px 5px -1px rgba(50, 50, 50, 0.75);	
}

.counter {
	position: absolute;
	top: 37px;
	left: 824px;
	width: 165px;
	height: 56px;
	background-image: url(../img/counter.png);
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	
	text-align: center;
	vertical-align: middle;
	
	font-weight: bold;
	font-family: Helvetica;
	font-size:35px;
	color: #FF0000;
	
	padding-top:13px;
}

.check {
	position: absolute;
	top: 669px;
	left: 848px;
	width: 60px;
	height: 60px;
	
	cursor: pointer;
}

.restart {
	position: absolute;
	top: 671px;
	left: 924px;
	width: 60px;
	height: 60px;
	cursor: pointer;
}