.star {
    background-image: url(../img/stars-tiles.png);
    float: left;
    height: 15px;
    padding: 0 !important;
    width: 15px;
}

.star.full {
    background-position: 0 0;
}
.star.empty {
    background-position: -15px 0;
}
.star.half {
    background-position: -30px 0;
}

.star.source-16.full,
.star.source-tripadvisor.full {
    background-position: 0 -15px;
}
.star.source-16.empty,
.star.source-tripadvisor.empty {
    background-position: -15px -15px;
}
.star.source-16.half,
.star.source-tripadvisor.half {
    background-position: -30px -15px;
}

.star.source-713.full,
.star.source-survey.full {
    background-position: 0 -30px;
}
.star.source-713.empty,
.star.source-survey.empty {
    background-position: -15px -30px;
}
.star.source-713.half,
.star.source-survey.half {
    background-position: -30px -30px;
}