categories images

<div class="container">
           <div class="row mt-5">
                   <div class="col-md-4 col-sm-6 col-md-offset-2">
                       <div class="img-Hover">
                           <img src="https://tolmatol.com/uploads-images/images/animal-1.jpg" class="img-responsive" alt="">
                           <div class="img_overlay">
                               <a href="#" target="blank">
                                   <i class="fa fa-chain"></i>
                               </a>
                           </div>
                       </div> 
                   </div>
                   <!-- col-sm-4 -->
                   <div class="col-md-4 col-sm-6">
                       <div class="img-Hover">
                           <img src="https://tolmatol.com/uploads-images/images/animal-4.jpg" class="img-responsive" alt="">
                           <div class="img_overlay">
                               <a href="#" target="blank">
                                   <i class="fa fa-chain"></i>
                               </a>
                           </div>
                       </div> 
                   </div> 
          <div class="col-md-4 col-sm-6">
                       <div class="img-Hover">
                           <img src="https://tolmatol.com/uploads-images/images/animal-2.jpg" class="img-responsive" alt="">
                           <div class="img_overlay">
                               <a href="#" target="blank">
                                   <i class="fa fa-chain"></i>
                               </a>
                           </div>
                       </div> 
                   </div> 
               </div>
      </div>

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
   <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
   <style>
    

.img-Hover {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    z-index: 1;
    -webkit-box-shadow: 0px 13px 74px -37px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 0px 13px 74px -37px rgba(0, 0, 0, 0.75);
    box-shadow: 0px 13px 74px -37px rgba(0, 0, 0, 0.75);
}

.img-Hover img {
    width: 100%;
    
}

.img-Hover:before {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    border-left: 0px solid transparent;
    border-top: 300px solid transparent;
    border-right: 370px solid rgba(0, 0, 0, 0.79);
    transition: .3s ease-in-out;
    transform: translateY(100%)
}

.img-Hover:hover:before {
    transform: translateY(0)
}

.img_overlay {
    position: absolute;
    top: 50%;
    z-index: 9;
    left: 50%;
    top: 50%;
    transform: translateY(-50%) translateX(-50%) scale(0);
    transition: .8s ease-in-out;
}

.img_overlay a {
    display: block;
    padding: 3px;
    height: 50px;
    width: 50px;
    border-radius: 50%;
    background-color: #fff;
}

.img-Hover:hover .img_overlay {
    transform: translateY(-50%) translateX(-50%) scale(1);
}

.img_overlay a i {
    height: 43px;
    width: 43px;
    line-height: 43px;
    text-align: center;
    color: #fff;
    font-size: 20px;
    background-color: #ff5a5a;
    border-radius: 50%;
}

.demo_des {
    font-family: 'Raleway', sans-serif;
    font-weight: 500;
    font-size: 20px;
    color: #222;
    margin-top: 20px;
}

.img-Hover_row .col-sm-6 {
    margin-top: 60px;
}

.feturelist_row .col-sm-4 {
    margin-top: 40px;
}

    </style>