ImageSearchApp.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}
body {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-block: 40px;
}
header {
  width: 100%;
  max-width: 800px;
  text-align: center;
}
header h1 {
  color: #767676;
}
header form .search-container {
  margin-top: 20px;
  position: relative;
}
header form .search-container input {
  width: 100%;
  font-size: 18px;
  padding: 12px 24px;
  border-radius: 20px;
  border: none;
  background-color: #eee;
}
header form .search-container .material-symbols-outlined {
  position: absolute;
  right: 10px;
  bottom: 12px;
  color: #777;
  cursor: pointer;
}
.images-container {
  margin-block: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.images-container img {
  width: 300px;
  height: 280px;
}
.images-container .imageDiv {
  position: relative;
}
.images-container .overlay {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0;
  background-color: rgba(0, 0, 0, 0.7);
  transition: height 0.3s ease;
  justify-content: center;
  display: flex;
  align-items: center;
}
.imageDiv:hover .overlay {
  height: 100%;
}
.imageDiv .overlay h3 {
  color: white;
  display: none;
  text-align: center;
  font-size: 20px;
}
.imageDiv:hover .overlay h3 {
  display: block;
}
.loadMoreBtn {
  border: none;
  background-color: lightseagreen;
  color: white;
  font-size: 20px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  display: none;
}
main section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 20px 0 50px 0px;
}
@media screen and (max-width: 920px) {
  header {
    width: 80%;
  }
}