#planoDeFundo {
				background :transparent;
				width: 100%; 
				height: 75%;
				position: absolute;
			}
			#restart_button{
				position:absolute;
				border:1px solid gray;
				border-radius: 7%;
				font-size: 0.875;
				word-wrap: break-word;
				max-width: 7%;
				left: 21%;
				top:5%;
			}
			#A_button{
				position:absolute;
				border:1px solid gray;
				border-radius: 7%;
				font-size: 1;
				height:3%;
				width: 20%;
				left: 6.6%;
				top:76%;
			}
			#B_button{
				position:absolute;
				border:1px solid gray;
				border-radius: 7%;
				font-size: 1;
				height: 3%;
				word-wrap: break-word;
				width: 20%;
				left: 40.5%;
				top:76%;
			}
			#C_button{
				position:absolute;
				border:1px solid gray;
				border-radius: 7%;
				font-size: 1;
				height: 3%;
				width: 20%;
				left: 74%;
				top:76%;
			}