body {
	max-width: 90%;
	margin: 30px auto;
	padding: 0;
	height: 100%;
	font-family: Arial, sans-serif;
	line-height: 1.1;
	background-color: rgb(224,224,224);
}

main {
	margin: 0 auto;
	padding: 10px;
	max-width: 1200px;
}

.doos, .stapeldoos {
	background-color: white;
	padding: 15px;
	border-radius: 10px;
	box-sizing: border-box;
}

.doos {
	max-width: 750px;
	margin: 0 auto;
	box-shadow: 0px 0px 15px 4px rgb(176,176,176);
}

.stapeldoos {
	margin: 15px auto;
	border: 1px solid black;
}

.top {
	margin-top: 0;
}

.center {
	text-align: center;
}

.links {
	float: left;
}

.rechts {
	float: right;
}

.streep {
	padding-bottom: 2px;
	border-bottom: 2px solid black;
}

h1 {
	font-size: 36px;
	font-weight: 500;
}

input {
	padding: 5px 10px;
	width: 100%;
	box-sizing: border-box;
}

input[type="radio"] {
	width: 10px;
}

textarea {
	padding: 5px 10px;
	width: 100%;
	box-sizing: border-box;
	resize: vertical;
	min-height: 50px;
}

button {
	margin-top: 6px;
	padding: 3px 6px;
}

label {
	display: block;
	margin: 5px;
}

.inline {
	display: inline;
}

fieldset {
	margin-bottom: 5px;
}

.knop {
	cursor: pointer;
	margin: 2px;
}

.groteknop {
	margin: 10px;
	font-size: 1.5em;
	padding: 10px;
}

#themas {
	column-count: 3;
	-moz-column-count: 3;
	-webkit-column-count: 3;
}

@keyframes flash {
	0% {color: blue; top: -100px; left: -100px; transform: rotateZ(0deg) rotateY(0);}
	25% {color: black; top: -100px; left: 100px;}
	50% {color: orange; top: 100px; left: 100px; transform: rotateZ(180deg) rotateY(180deg);}
	75% {color: green; top: 100px; left: -100px;}
	100% {color: blue; top: -100px; left: -100px; transform: rotateZ(360deg) rotateY(360deg);}
}

.irritant {
	animation: flash 3s linear 0s infinite;
	position: fixed;
	display: flex;
	height: 100%;
	width: 100%;
	align-items: center;
	justify-content: center;
	font-family: 'Comic Sans MS';
	background: transparent;
	pointer-events: none;
	font-size: 3em;
}