body
{
	background-color: rgba(100, 90, 120, .5);
}
.size
{
	width: 600px;
	height: 400px;
	text-align: center;
	box-shadow: gray;

}

.a
{
color: red;
}

.b
{
	background-color: yellow;
}

button 
{
	border-radius: 10%;
	border: 1px solid black;
}

a
{
	text-decoration: none;
	font-family: "Comic Sans MS";
	font-weight: bold;
	color: black;
	font-size: 30px;
}

button:hover
{
	background-color: #3d3dff;
}