.pb-pattern:after {
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    overflow: hidden;
    content: '';
    z-index: -1;
    -webkit-transition: background-image 0.1s ease-in-out;
    -moz-transition: background-image 0.1s ease-in-out;
    -ms-transition: background-image 0.1s ease-in-out;
    -o-transition: background-image 0.1s ease-in-out;
    transition: background-image 0.1s ease-in-out;
}

.pb-pattern.over-img:after {
    opacity: 0.2;
    z-index: 0;
}

.pb-pattern {
    position: relative;
    z-index: 1;
}

.bailh-3:after{
background-color: rgba(0,0,0,.7);background-image:url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAU0lEQVQYV2N0XLjiPwMU7I+PYISx0WlGbApbW5Xgmqur74E1E68Qm1VYTcTlJgw3qqYJw91ze9Zb3J5BV3imzgmu0aRpH1wjI9EK0d2C00RiPQMAA94wC/vqABUAAAAASUVORK5CYII=');}