/* Gallery */
.gallery {
  width: 90%;
  margin: auto;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gallery-header {
  width: 60%;
}

.myBtnContainer {
  width: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  background-color: #ffffff;
  padding: 20px;
  font-size: 20px;
}

.btn-content {
  width: 60%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.row {
  margin: 10px -16px;
  display: flex;
  flex-wrap: wrap;
}

.row,
.row > .column {
  padding: 1px;
}

.column {
  float: left;
  width: 33.33%;
}

.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 100px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.9);
}

.modal-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  animation-name: zoom;
  animation-duration: 0.6s;
}

#caption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  text-align: center;
  color: #ccc;
  padding: 10px 0;
  height: 150px;
}

.close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
}

.close:hover,
.close:focus {
  color: #bbb;
  text-decoration: none;
  cursor: pointer;
}

@media only screen and (max-width: 700px) {
  .modal-content, #caption {
      width: 100%;
  }
}

@keyframes zoom {
  from { transform: scale(0) }
  to { transform: scale(1) }
}