Css fix for slick carousel in bootstrap 3 tab

slick_fix.css

/* Based on https://github.com/kenwheeler/slick/issues/187#issuecomment-59123524 */
/* bootstrap hack: fix content width inside hidden tabs */
.tab-content > .tab-pane, 
.pill-content > .pill-pane {
    display: block;    /* undo display:none          */
    height: 0;         /* height:0 is also invisible */ 
    overflow: hidden;  /* no-overflow                */
}
.tab-content > .active, 
.pill-content > .active {
    height: auto;      /* let the content decide it  */
} 
/* bootstrap hack end */