style.css

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html,
body {
	font-family: Arial, Helvetica, sans-serif;
}

#app {
	width: 400px;
	height: 100vh;
	margin: auto;
	text-align: center;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}

h1,
h3 {
	margin-bottom: 1rem;
	font-weight: normal;
}

img {
	width: 80%;
	height: 40%;
	border-radius: 50%;
	border: 5px #333 solid;
	margin-bottom: 1rem;
}

.male {
	border-color: steelblue;
	background-color: steelblue;
}

.female {
	border-color: pink;
	background-color: pink;
	color: #333;
}

button {
	cursor: pointer;
	display: inline-block;
	background: #333;
	color: white;
	font-size: 18px;
	border: 0;
	padding: 1rem 1.5rem;
}

button:focus {
	outline: none;
}

button:hover {
	transform: scale(0.98);
}