.tiltShift_effect{position:fixed;z-index:-2;width:100vw;height:100vh;pointer-events:none}.tiltShift_effect::after{content:'';position:absolute;top:0;right:0;bottom:0;left:0;backdrop-filter:blur(12px);-webkit-mask-image:linear-gradient(0deg,black 0%,black 25%,rgba(0,0,0,0) 40%,rgba(0,0,0,0) 60%,black 75%,black 100%)}.tiltShift_effect #test_container{width:inherit;height:inherit}