select2/themes/learn2/scss/nucleus/_forms.scss

fieldset {
	border: 0;
	padding: $content-padding;
	margin: 0 0 $leading-margin 0;
}

input,
label,
select {
	display: block;
}

label {
	margin-bottom: $leading-margin / 4;

	&.required:after {
		content: "*";
	}

	abbr {
		display: none;
	}
}

textarea, #{$all-text-inputs}, select[multiple=multiple] {
	@include transition(border-color);
	border-radius: $core-border-radius;
	margin-bottom: $leading-margin / 2;
	padding: ($leading-margin / 4) ($leading-margin / 4);
	width: 100%;

	&:focus {
		outline: none;
	}
}

textarea {
	resize: vertical;
}

input[type="checkbox"], input[type="radio"] {
	display: inline;
	margin-right: $leading-margin / 4;
}

input[type="file"] {
	width: 100%;
}

select {
	width: auto;
	max-width: 100%;
	margin-bottom: $leading-margin;
}

button,
input[type="submit"] {
	cursor: pointer;
	user-select: none;
	vertical-align: middle;
	white-space: nowrap;
	border: inherit;
}