body {
	background-color: #DDEEFF;
}

input {
	border: 5px solid grey;
	border-radius: 10px;
}

.zbtn {
	background-color: #00F;
}

input[type="radio"] {
	display: none;
	
}

input[type="radio"] + label {
	display: inline-block;
	width: 19px;
	height: 19px;
	margin: -2px 10px 0px 0px;
	vertical-align: middle;
	background: rgb(255,255,255);
}

input[type="radio"]:checked + label{
	background: rgb(0,0,255);
}

.long {
	display:inline-block;
}