html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
}


html{
    height: 100%;
}

body {
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
	align-items: center;
	background-color: gray;
}

#game {
	width: 1280px;
	height: 720px;
	background-color: black;
	border-style: double;
	border-color: blue;
	border-width: 10px;
	position: relative;
	box-sizing: border-box;
}

.playfield {
	width: 1000px;
	height: 700px;
	background-color: black;
	position: relative;
	border-style: solid;
	border-color: blue;
	border-width: 0 4px 0 0 ;
}

#paddle {
	background-color: white;
	box-sizing: border-box;
	position: absolute;
}

#ball {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background-color: white;
	position: absolute;
	top: 500px;
	left: 500px;
}

.block{
	background-color: white;
	box-sizing: border-box;
	border: solid silver 1px;
	width: 50px;
	height: 15px;
	position: absolute;
}
.blue{
	background-color:blue
}
.red{
	background-color:red
}
.green{
	background-color:green
}
.yellow{
	background-color:yellow
}

.menu{
	position: absolute;
	height: 720px;
	width: 1280px;
	top: 0;
	left: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: space-between;
	padding: 200px 0;
	box-sizing: border-box;

}
.none{
	display: none;
}
h2{
	font-size: 48px;
	color: white;
}
button{
	font-size: 24px;
	color: blue;
}