#datatable tbody tr:first-child #joinbtn {
  background-image: url(https://ufuture.uitm.edu.my/groups/join_community_set/3786) !important;
}


  #listing .col-lg-4:first-child img {
        background-image: url("https://i.imgur.com/SCCy1d4.gif")!important;
background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
  width: 60px;
  height: 60px;
  padding: 60px 60px 0 0;
  box-sizing: border-box;
    }

#listing .col-lg-4:first-child h5 {
background-image: linear-gradient(to right, violet, indigo, blue, green, yellow, orange, red);-webkit-background-clip: text;color: transparent;
}

#datatable tbody tr:first-child {
    visibility: collapse;
}