.row-research {
  overflow-y: hidden;
  position: relative;
  min-height: 300px;
  flex: 1;
}

.col-research {
  max-width: 90%;
  margin: 2rem auto;
  display: flex;
  flex-direction: row;
}

.col-research > div {
  min-height: 100%;
}

.research-summary.animateblock .title-project,
.research-summary.animateblock .abstract-research {
  transition-property: opacity, margin-top;
  transition-duration: 1s;
  transition-timing-function: ease;
  opacity: 0;
  margin-top: -20px;
}

.research-summary.animateblock.animated .title-project,
.research-summary.animateblock.animated .abstract-research {
  opacity: 1;
  margin-top: 0;
}

.title-project {
  display: block;
  margin-bottom: 1rem;
  text-transform: uppercase;
  color: #66b2ff;
  border-bottom: 2px solid;
}

.abstract-research {
  color: white;
  text-align: justify;
}

.abstract-research p:last-of-type {
  margin-bottom: 2.5rem;
}

.research-thumbnails-grid {
  height: 100%;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
}

.research-thumbnails-grid.animateblock .thumbnail {
  transition-property: opacity;
  transition-duration: 1s;
  transition-timing-function: ease;
  opacity: 0;
}

.research-thumbnails-grid.animateblock.animated .thumbnail {
  opacity: 1;
}

.research-thumbnails-grid .thumbnail:first-child {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}

.research-thumbnails-grid .thumbnail:nth-child(2) {
  grid-column: 2 / 4;
  grid-row: 2 / 4;
}

.research-thumbnails-grid .thumbnail:last-child {
  grid-column: 3 / 5;
  grid-row: 3 / 5;
}

.research-thumbnails-grid .thumbnail:not(.mouseover) {
  max-height: 250px;
  max-width: 250px;
}

.research-thumbnails-container .thumbnail.hide {
  display: none;
}

.research-thumbnails-grid .thumbnail.mouseover {
  grid-column: 1 / -1;
  grid-row: 1 / -1;
  background-size: contain !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  background-color: rgba(0, 0, 0, 0.6) !important;
}

.abstract-more-button {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.abstract-more-button .btn-primary {
  background-color: #3d6a99;
  border-color: #243f5b;
}

.btn-primary:not(:disabled):not(.disabled):active {
  background-color: #30547a;
  border-color: #243f5b;
}
.btn-primary:focus,
.btn-primary:not(:disabled):not(.disabled):active:focus {
  box-shadow: 0 0 0 0.2rem rgba(66, 124, 181, 0.6);
}

.abstract-more-button .btn-primary:hover {
  background-color: #5f9fe9;
  border-color: #1c3047;
  color: #1c3047;
}

/* MEDIA QUERIES (START) */
/* ##################################### */

@media (min-width: 992px) {
  .row-research {
    min-height: 530px;
  }
}

@media (max-width: 991.98px) {
  .research-thumbnails-container {
    display: none;
  }

  .abstract-more-button .btn {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    font-size: 1.125rem;
  }
}

@media (max-width: 767.98px) {
  .row-research {
    min-height: 500px;
  }

  .abstract-more-button .btn {
    width: 100%;
    font-size: 1.25rem;
  }
}

@media (max-width: 575.98px) {
  .title-project {
    font-size: 2.25rem;
  }
}

/* MEDIA QUERIES (END) */
/* ##################################### */