hacks-guide-minimal-mistakes-theme/_sass/site.scss

/* Selection ============================================= */
::-moz-selection { 
	background-color: lighten($basecolor, 65%); 
	color: $basecolor; 
	text-shadow: none; 
}  	
::selection { 
	background-color: lighten($basecolor, 65%); 
	color: $basecolor; 
	text-shadow: none; 
}

/* Global Classes ======================================== */
.all-caps {
	text-transform: uppercase;
}
.pull-left {
	float: left;
}
.pull-right {
	float: right;
}
.image-pull-right {
	float: right;
	margin-top: 0;
}
.clearfix {
	*zoom: 1;
	&:before,
	&:after {
		display: table;
	    content: "";
	}
	&:after {
		clear: both;
	}
}
.unstyled-list {
	list-style: none;
	margin-left: 0;
	padding-left: 0;
	li {
		list-style-type: none;
	}
}

/* Global Transition ==================================== */
b, i, strong, em, blockquote, p, q, span, figure, img, h1, h2, header, input, a {
	@include transition(all .2s ease);
}