You want to use multiplication to apply a unit, rather than concatenation:
@mixin latLong ($lat, $long) {
left: (($long + 180) * (930/360)) * 1%;
top: (($lat + 90) * (530/180)) * 1%;
}
You want to use multiplication to apply a unit, rather than concatenation:
@mixin latLong ($lat, $long) {
left: (($long + 180) * (930/360)) * 1%;
top: (($lat + 90) * (530/180)) * 1%;
}