.index_categories {
    display: table;
    width: 100%;
}
.index_category_infos {
    position: relative;
}
.index_category_mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 64, 125, 0.9);
    text-align: center;
    font-size: 30px;
    color: #FFF;
    text-transform: uppercase;
}
.index_category_wrapper:nth-child(even) .index_category_mask {
    background: rgba(10, 64, 125, 0.7) !important;
}
.index_category_mask span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    text-align: center;
    padding: 0 10px;
    margin-top: -20px;
}
.index_category_link {
   opacity: 0;
    transition: visibility 0s, opacity 0.4s linear;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    margin-left: -100px;
    margin-top: -100px;
    text-align: center;
    line-height: 200px;
    background: #FFF;
    font-size: 24px;
    text-transform: uppercase;
    color: #0a407d;
    text-decoration: none;
}
.index_category_link:hover {text-decoration: none;}
.index_category_infos:hover .index_category_link {
    opacity: 1;
    visibility: visible;
}
.index_category_infos:hover .index_category_mask {
    opacity: 0;
    visibility: hidden;
    transition: visibility 0s, opacity 0.8s linear;
}
.index_category_infos img {
    width: 100%;
}

@media (max-width: 1200px) {
  .index_category_mask {
    font-size: 24px;
  }
  .index_category_link {
    width: 150px;
    height: 150px;
    margin-left: -75px;
    margin-top: -75px;
    line-height: 150px;
    font-size: 18px;
  }
}

@media (max-width: 991px) {
  .index_category_mask {
    font-size: 19px;
  }
  .index_category_link {
    width: 110px;
    height: 110px;
    margin-left: -55px;
    margin-top: -55px;
    line-height: 110px;
    font-size: 15px;
  }
}

@media (max-width: 767px) {
  .index_category_wrapper {
    overflow: hidden;
    position: relative;
  }
  .index_category_infos {
    position: relative;
    height: 250px;
  }
  .index_category_infos img {
    width: 100%;
    position: absolute;
    top: -20%;
  }
  .index_category_link {
    width: 130px;
    height: 130px;
    margin-left: -65px;
    margin-top: -65px;
    line-height: 130px;
    font-size: 18px;
  }
}

@media (max-width: 425px) {
  .index_category_infos img {
    width: 100%;
    position: absolute;
    top: -5%;
  }
}

@media (max-width: 320px) {
  .index_category_infos img {
    width: 100%;
    position: absolute;
    top: 0;
  }
}

.index_category_wrapper {
    overflow: hidden;
}
.index_category_infos:hover img {
    -webkit-transform: scale3d(1.1, 1.1, 1);
    transform: scale3d(1.1, 1.1, 1);
    transition: all 0.4s linear;
    -moz-transition: all 00.4s linear;
    -o-transition: all 0.4s linear;
    -webkit-transition: all 0.4s linear;
}

.index_category_mask.first:after {
    position: absolute;
    content: url('/Files/App_002/Images/category_index_icon_1.png');
    width: 20px;
    height: 20px;
    bottom: 20px;
    right: 20px;
    line-height: 20px;>
}

.index_category_mask.third:after {
    position: absolute;
    content: url('/Files/App_002/Images/category_index_icon_2.png');
    width: 20px;
    height: 20px;
    bottom: 20px;
    left: 20px;
    line-height: 20px;>
}

.index_category_mask.fifth:before {
    position: absolute;
    content: url('/Files/App_002/Images/category_index_icon_3.png');
    width: 20px;
    height: 20px;
    top: 20px;
    left: 20px;
    line-height: 20px;>
}
.index_category_mask.fifth:after {
    position: absolute;
    content: url('/Files/App_002/Images/category_index_icon_4.png');
    width: 20px;
    height: 20px;
    top: 20px;
    right: 20px;
    line-height: 20px;>
}