ic-bezier(.11, .49, .38, .78);
}
.la-line-scale-pulse-out-rapid &gt; div:nth-child(3) {
    -webkit-animation-delay: -.9s;
       -moz-animation-delay: -.9s;
         -o-animation-delay: -.9s;
            animation-delay: -.9s;
}
.la-line-scale-pulse-out-rapid &gt; div:nth-child(2),
.la-line-scale-pulse-out-rapid &gt; div:nth-child(4) {
    -webkit-animation-delay: -.65s;
       -moz-animation-delay: -.65s;
         -o-animation-delay: -.65s;
            animation-delay: -.65s;
}
.la-line-scale-pulse-out-ra