.ac-animation-1-content-img {
    overflow: hidden;
    
}

.ac-animation-1-content-img:after {
    content: "";
    height: 100%;
    width: 100%;
    position: absolute;
    opacity: 0.5;
    border: 30px solid #fff;
    top: 0;
    left: 0;
    transform: scale(0);
    -moz-transform: scale(0);
    -webkit-transform: scale(0);
    -ms-transform: scale(0);
    transition: all 0.5s ease-in-out;
}
.ac-animation-1-content-img:hover:after {
    transform: scale(0.8);
    -moz-transform: scale(0.8);
    -webkit-transform: scale(0.8);
    -ms-transform: scale(0.8);
    opacity: 0;
    transition-delay: 0.1s;
}

.ac-animation-1-content-img img {
    overflow: hidden;
    cursor: pointer;
    -webkit-transition: all 0.5s ease-in-out;
    -moz-transition: all 0.5s ease-in-out;
    -ms-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
}