oficinasuport-wp-theme/sass/base/elements/_links.scss

a {
	color: $color__link;

	&:visited {
		color: $color__link-visited;
	}

	&:hover,
	&:focus,
	&:active {
		color: $color__link-hover;
	}

	&:focus {
		outline: thin dotted;
	}

	&:hover,
	&:active {
		outline: 0;
	}
}

a {
	&.button {
		text-decoration: none;
	}
}
.button,
.excerpt,
.post-excerpt,
.entry-title {
	a {
    text-decoration: none;
  }
}