a {
	width: 20px;
	height: 10px;
}

b {
	width: calc(4 * 2px);
	height: 2px;
}

c {
	width: fit-content;
	height: auto;
}

d {
	width: 32px;
	height: 32px;
}

e {
	width: 4in;
	height: 3in;
}

f {
	width: 4in;
	height: 3in;
}

g {
	width: 1920px;
	height: 1080px;
}