trim lines with css

_mixins.scss

@mixin giveMeEllipsis($lines, $lh) {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: $lines; /* number of lines to show */
    line-height: $lh;        /* fallback */
    max-height: $lh*$lines;       /* fallback */
}