.bg-slick::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEju-cJjS41w1ZW6ndZ_Noab7W4PlZC-HlrlIIVVB-tkDMWg8EBTTPLTRQ2b6N4mwMNi7ks3vnNTMwfNn4rLCLx-u2X9wKz3eDf8AJDqWMY_ZObxsULchtheSloWtAKJAIZNwbdtDRl9VhBhvlLLq-_pbjTJNI345F1Ay5QGxOy6eGJx2PQdX66MAVljI10/w165-h165/pattern3.png);
  background-repeat: repeat;
  pointer-events: none;
  opacity: 1;
  z-index: 1; 
}
.bg-slick {position: fixed;  
  inset: 0;        
  width: 100vw;
  height: 100vh;
  z-index: 0;      
  opacity: 1;
  pointer-events: none; }
.bg-slick .item1,.bg-slick .item2,.bg-slick .item3 {
  height:100vh;
  background-size:cover;
  background-position:center;
}