style.css

.wave:hover::after{
    background-image: url(./images/wave.svg);
    content: "";
    background-size: cover;
    background-position: center;
    position: absolute;
    height: 3.5rem;
    width: 5rem;
    bottom: 1rem;
    right: 0px;
   
}
.wave1:hover{
    background-image: url(./images/wave.svg);
    content: "";
    background-size: cover;
    -webkit-background-position: center;
    background-position: center;
    position: relative;
    height: 3.5rem;
    width: 5rem;
    bottom: 1rem;
    right: 0px;
    /* z-index: -1; */
}
.corefeaturesection{
    background-size: 100% 100%;
    padding-top: 12rem;
    padding-bottom: 12rem;
}

.companiesList {
    animation: moving 5s linear infinite;
  }

  @keyframes moving {
    0% {
      top: 0;
    }

    100% {
      top: -50%;
    }
  }