themes-wordpress/affinity/assets/stylesheets/shared/_buttons.scss

.button,
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
	border: 2px solid white;
	outline: 4px solid $color__link;
	background: $color__link;
	color: white;
	@include font-size(.825);
	font-family: $font__headings;
	text-transform: uppercase;
	letter-spacing: 1px;
	font-weight: bold;
	line-height: 1;
	margin-right: .8em;
	padding: .8em 1.2em;
	position: relative;
	left: 4px;
	transition: 0.3s;
	text-decoration: none;

	&:hover,
	&:active,
	&:focus {
		outline-color: $color__text-screen;
		background-color: $color__text-screen;
		color: white;
	}
}

.button {
	display: inline-block;

	&:hover,
	&:focus,
	&:active {
		outline: 4px solid $color__text-screen;
	}
}

.mejs-controls .mejs-play button,
.mejs-controls .mejs-mute button {
	outline: none;
}