Егор Живагин

.fon-st-even {position: relative;}
.fon-st-even:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.5);
  z-index: 1;
}
.bl-text {position: relative; z-index: 2;}

function isChrome() {
  var isChromium = window.chrome,
    winNav = window.navigator,
    vendorName = winNav.vendor,
    isOpera = winNav.userAgent.indexOf("OPR") > -1,
    isIEedge = winNav.userAgent.indexOf("Edge") > -1,
    isIOSChrome = winNav.userAgent.match("CriOS");

  if(isIOSChrome){
    return true;
  } else if(isChromium !== null && isChromium !== undefined && vendorName === "Google Inc." && isOpera == false && isIEedge == false) {
    return true;
  } else { 
    return false;
  }
}

prevArrow: '<div class="prev"></div>',
nextArrow: '<div class="next"></div>',