*{
	margin: 0;
	padding: 0;
}
body{
	width: 1100px;
	margin: 0 auto;
}
p{
	text-align: center;
	font-size: 2em;
}
p input{
	margin: auto 1em;
	color: #FF0000;
	text-align: center;
	font-size: 1em;
}
center{
	margin-top: 1em;
	margin-bottom: 2em;
}
button{
	margin: auto 2em;
	padding: 0.5em 1em;
	font-size: 1.2em;
	border-radius: 1.1em;
}
#alldiv{
	width: 1100px;
	height: auto;
	display: flex;
	justify-content: center;
	align-items: center;

}
.left{
	float: left;
	width: 8px;
	height: 300px;
	background-color: #00FF00;
	margin-right: 1px;
}
.redback{
	background-color: #FF0000;
}
.yeback{
	background-color: #2CC5FF;
}