body {background-color: ivory;}

h1 {border: groove 10px rgba(255,255,100,0.6); color: #5ee053; text-align: center; background-color: #f6acbb49}
h2 {border: outset 0.25em ;  background-color:#e91b1860}

.明るい{
	background-color:#ff69b4;
}

.暗い{
	background-color:#191770;	
}

.red{
	color:red;
}

.blue{
	color:blue;
}