* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    background-color: #b3ec41;
    font-family: "Open Sans", sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .flip-card {
    margin: 20px;
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
  }
  
  .flip-card-front,
  .flip-card-back {
    width: 380px;
    min-height: 600px;
    height: auto;
    background-color: #000000;
    background-image:        url(/service/img/arvr.jpg);
    background-size: cover;
    background-position: center;
    text-align: center;
    backface-visibility: hidden;
    transform-style: preserve-3d;
    transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  }
  
  .flip-card:nth-of-type(2) .flip-card-front,
  .flip-card:nth-of-type(2) .flip-card-back {
    background-image: url(/service/img/spky.png);
  
  }
  
  .flip-card:nth-of-type(3) .flip-card-front,
  .flip-card:nth-of-type(3) .flip-card-back {
    background-image: url(/service/img/dronepc.JPG);
  }
  .flip-card:nth-of-type(4) .flip-card-front,
  .flip-card:nth-of-type(4) .flip-card-back {
    background-image: url(/service/img/ai.jpg);
  }
  .flip-card:nth-of-type(5) .flip-card-front,
  .flip-card:nth-of-type(5) .flip-card-back {
    background-image: url(/service/img/3dp.png);
  }
  .flip-card:nth-of-type(6) .flip-card-front,
  .flip-card:nth-of-type(6) .flip-card-back {
    background-image: url(/service/img/hardware1.jpg);
  }
  .flip-card:nth-of-type(7) .flip-card-front,
  .flip-card:nth-of-type(7) .flip-card-back {
    background-image: url(/service/img/software2.png);
  }
  
  .flip-card-front {
    transform: rotateY(0deg);
  }
  
  .flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotateY(180deg);
  }
  
  .flip-card-front::after,
  .flip-card-back::after {
    content: "";
    width: 100%;
    height: 100%;
    background-color: #0a0a0a;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.6;
  }
  
  .flip-card-front .inner,
  .flip-card-back .inner {
    width: 100%;
    padding: 40px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%) translateZ(60px) scale(0.94);
    z-index: 2;
  }
  
  .inner .icon {
    width: 80px;
    margin-bottom: 20px;
  }
  
  .inner h3 {
    margin-bottom: 8px;
    color: #ffffff;
    font-size: 30px;
    font-weight: 700;
    line-height: 40px;
    text-transform: capitalize;
  }
  
  .inner p {
    color: #ffffff;
    font-size: 16px;
    line-height: 28px;
  }
  
  .flip-card:hover .flip-card-front {
    transform: rotateY(-180deg);
  }
  
  .flip-card:hover .flip-card-back {
    transform: rotateY(0deg);
  }