.sec .img_mark {
  zoom: 1;
}
.sec .img_mark:before {
  content: "";
  display: table;
}
.sec .img_mark:after {
  content: "";
  display: table;
  clear: both;
}

/*==img_mark begine============================================*/
.sec .img_mark {
  -moz-column-count: 1;
  -moz-column-gap: 10px;
  -webkit-column-count: 1;
  -webkit-column-gap: 10px;
  column-count: 1;
  column-gap: 10px;
  width: 100%;
  margin: 0 auto;
}
.sec .img_mark a {
  display: inline-block;
  width: 100%;
}
.sec .img_mark .hover_card {
  width: 100%;
  height: auto;
  position: relative;
  text-align: center;
  border: 0px;
  padding: 0%;
  margin: 2% 2% 5% 0;
}
.sec .img_mark .hover_card h4 {
  padding: 0rem;
  padding-bottom: 0.25rem;
  line-height: 1.5;
  text-align: left;
  background-image: none;
}
.sec .img_mark .hover_card span {
  display: block;
  font-size: 0.8125rem;
  text-align: left;
  color: gray;
  line-height: 2;
}
.sec .img_mark .hover_card p {
  padding: 0px;
  padding-bottom: 0.25rem;
  padding-left: 0rem;
  line-height: 1.5;
  text-align: left;
}
.sec .img_mark .hover_card img {
  width: 100%;
  height: auto;
  margin: 0px auto;
  border: 1px solid #c3c3c3;
}

@media (min-width: 37.5em) {
  .sec .img_mark {
    -moz-column-count: 2;
    -moz-column-gap: 10px;
    -webkit-column-count: 2;
    -webkit-column-gap: 10px;
    column-count: 2;
    column-gap: 10px;
    width: 100%;
    margin: 0 auto;
  }
  .sec .img_mark .hover_card {
    width: 100%;
    display: inline-block;
    overflow: hidden;
  }
}
@media (min-width: 59.375em) {
  .sec .img_mark {
    -moz-column-count: inherit;
    -moz-column-gap: 10px;
    -webkit-column-count: inherit;
    -webkit-column-gap: 10px;
    column-count: inherit;
    column-gap: 10px;
    width: 100%;
    margin: 0 auto;
  }
  .sec .img_mark .hover_card {
    width: 200px;
    height: 150px;
    position: relative;
    text-align: center;
    overflow: hidden;
    display: inline-block;
  }
  .sec .img_mark .hover_card > img {
    z-index: 1;
    width: 200px;
    height: 150px;
    position: absolute;
    top: 0px;
    left: 0px;
  }
  .sec .img_mark .card_overlay {
    position: absolute;
    display: inline-block;
    bottom: 0;
    left: 0px;
    z-index: 9999;
    width: 200px;
    height: 100%;
    background-color: rgba(42, 28, 43, 0.9);
    filter: alpha(opacity=90);
    /*fade*/
    transition: all 0.4s ease-in-out;
  }
  .sec .img_mark .card_overlay:link {
    text-decoration: none;
  }
  .sec .img_mark .card_overlay:link h4, .sec .img_mark .card_overlay:visited h4, .sec .img_mark .card_overlay:hover h4, .sec .img_mark .card_overlay:active h4 {
    color: white;
    padding: 5px 5px;
  }
  .sec .img_mark .card_overlay:hover {
    position: absolute;
    z-index: 9999;
    height: 100%;
  }
  .sec .img_mark .card_overlay:hover > .card_content h4 {
    transform: translateY(0px);
    transition-delay: 0.1s;
    transition: all 0.5s ease-in-out;
    color: #e6f2bd;
    margin: 5px 0px 0px 0px;
    background-color: transparent;
  }
  .sec .img_mark .card_overlay:hover > .card_content p {
    opacity: 1;
    filter: alpha(opacity=100);
    transform: translateY(0px);
    transition-delay: 0.1s;
    transition: all 0.5s ease-in-out;
    z-index: 9999;
    visibility: visible;
    color: #e6f2bd;
    margin: 20px auto;
  }
  .sec .img_mark .card_content {
    position: absolute;
    display: inline-block;
    top: 0;
    left: 0px;
    width: 200px;
    height: 30px;
    z-index: 9998;
    vertical-align: middle;
    color: gray;
    transition: height 1s ease-out;
    text-align: left;
    padding-top: 2px;
    background-color: transparent;
  }
  .sec .img_mark .card_content > h4 {
    font-size: 1rem;
    text-align: left;
    transform: translateY(0px);
    margin-top: 0px;
    line-height: 1.25;
    font-family: Verdana, Arial;
    /*single text overflow*/
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background-image: none;
  }
  .sec .img_mark .card_content > h4 > span {
    font-size: 0.8rem;
    line-height: 1;
    font-family: Verdana, Arial;
    display: block;
    margin: 5px 0px 0px 0px;
  }
  .sec .img_mark .card_content > p {
    line-height: 1.25;
    transform: translateY(0px);
    z-index: 1;
    padding: 5px;
    width: 50%;
    height: auto;
    text-align: center;
    border: 1px solid #e6f2bd;
    border-radius: 8px;
    margin: 20px auto;
  }
  .sec .img_mark .hover_card {
    float: left;
    border: 1px solid #c3c3c3;
  }
  .sec .img_mark .hover_card:nth-child(4n+1) {
    margin: 27px 0px 0px 0px;
  }
  .sec .img_mark .hover_card:nth-child(4n+2) {
    margin: 27px 0em 0em 18px;
  }
  .sec .img_mark .hover_card:nth-child(4n+3) {
    margin: 27px 0em 0em 18px;
  }
  .sec .img_mark .hover_card:nth-child(4n+4) {
    margin: 27px 0em 0em 18px;
  }
}