/*effects*/

#scrolltopbtn {

    overflow: hidden;

}

.btn-primary,

.an_productattributes-add-to-cart-btn {

    position: relative;

    overflow: hidden;

}

#scrolltopbtn::before,

.btn-primary::before,

.an_productattributes-add-to-cart-btn::before {

    position: absolute;

    top: 0;

    left: -78%;

    z-index: 2;

    display: block;

    content: '';

    width: 60%;

    height: 100%;

    background: -webkit-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,.3) 100%);

    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,.3) 100%);

    -webkit-transform: skewX(-25deg);

    transform: skewX(-25deg);

}

#scrolltopbtn:hover::before {

    -webkit-animation: shine .5s;

    animation: shine .5s;

}

.btn-primary:hover::before,

.an_productattributes-add-to-cart-btn:hover::before {

    -webkit-animation: shine .75s;

    animation: shine .75s;

}



@-webkit-keyframes shine {

    100% {

        left: 125%;

    }

}

@keyframes shine {

    100% {

        left: 125%;

    }

}