$red: tomato; $blue: lightblue; $black: #333; $white: fff;
.bg-black {
background: $black;
}
.bg-red {
background: $red;
}
.bg-blue {
background: $blue;
}
.bg-white {
background: $white;
}
.text-black {
color: $black;
}
.text-red {
color: $red;
}
.text-blue {
color: $blue;
}
.text-white {
color: $white;
}