* {
	font-family: Segoe UI Light, "Calibri Light", sans-serif;
}

button {
	padding: 10px 16px;
	font-weight: 600;
	background: #2792e0;
	color: #fff;
	border: none;
	cursor: pointer;
	transition: .5s;
}

button:hover {
	background: #2954c2;
}

button:active {
	background: #204199;
}

input {
	min-width: 250px;
	padding: 8px;
	border: 1px solid #909090;
	height: 20px;
}

button, input {
	margin-top: 1rem;
	outline: none;
}

.ukol {
	width: 75%;
	padding: 2rem;
	margin: 1rem auto;
	border: 1px solid #c5c5c5;
	box-shadow: 2px 2px 4px #b1b1b1;
}

.zelene {
	color: green;
}

.cervene {
	color: red;
}

.tucne {
	font-weight: bold;
}