// Mixins
.transition-all() {    -webkit-transition: all 0.5s;    -moz-transition: all 0.5s;    transition: all 0.5s;}
.background-cover() {    -webkit-background-size: cover;    -moz-background-size: cover;    background-size: cover;    -o-background-size: cover;}
.serif() {	font-family: 'Lora', 'Times New Roman', serif;}
.sans-serif () {	font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;}