Hi, you have to add proper CSS:Here is the snippet: https://mdbootstrap.com/snippets/standard/m-duszak/3875455#css-tab-view

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale3d(.3, .3, .3);
  }

  50% {
    opacity: 1;
  }
}

.zoomIn {
  animation-name: zoomIn;
}

h3 span {
    display:inline-block;
}

.my-p span {
    display:inline-block;
}


.word1 {
  -webkit-animation-name: zoomIn;
  -moz-animation-name: zoomIn;
  -o-animation-name: zoomIn;
  -ms-animation-name: zoomIn;
  animation-name: zoomIn;
  animation: zoomIn;
  animation-duration: 1s;
  animation-delay: 0.1s;
  animation-iteration-count: 1;

}

.word2 {
  -webkit-animation-name: zoomIn;
  -moz-animation-name: zoomIn;
  -o-animation-name: zoomIn;
  -ms-animation-name: zoomIn;
  animation-name: zoomIn;
  animation: zoomIn;
  animation-duration: 1s;
  animation-delay: 1s;
  animation-iteration-count: 1; 

}

.word3 {
  -webkit-animation-name: zoomIn;
  -moz-animation-name: zoomIn;
  -o-animation-name: zoomIn;
  -ms-animation-name: zoomIn;
  animation-name: zoomIn;
  animation: zoomIn;
  animation-duration: 1s;
  animation-delay: 2s;
  animation-iteration-count: 1; 

}

.word4 {
  -webkit-animation-name: zoomIn;
  -moz-animation-name: zoomIn;
  -o-animation-name: zoomIn;
  -ms-animation-name: zoomIn;
  animation-name: zoomIn;
  animation: zoomIn;
  animation-duration: 1s;
  animation-delay: 3s;
  animation-iteration-count: 1; 

}

EDIT:

There is an MDB5 way to do things using data-attr approach: https://mdbootstrap.com/snippets/standard/m-duszak/3875534#html-tab-view