.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
}

.item-list {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.item-container {
  display: none;
  margin-bottom: 40px;
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  position: relative;
}

.item-container:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 10px;
  background-color: #3D405B;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}

.item-container:hover {
  transform: translateY(-5px);
}

.item-image {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}

.item-content {
  flex: 1;
  padding: 20px;
  text-align: left;
}

.item-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #333;
}

.item-text {
  margin-bottom: 10px;
  color: #666;
}

.item-btn {
  display: inline-block;
  padding: 8px 16px;
  background-color: #3D405B;
  color: #fff;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.item-btn:hover {
  background-color: #3D405B;
}

.item-btn:focus {
  outline: none;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.item-btn:active {
  transform: translateY(1px);
}

.item-btn:hover,
.item-btn:focus {
  opacity: 0.8;
}

.show-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: flex-end;
}

.show-btn {
  display: inline-block;
  margin-right: 10px;
  padding: 10px 20px;
  background-color: #4CAF50;
  color: #fff;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.show-btn:hover {
  background-color: #45a049;
}

.show-btn:focus {
  outline: none;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.show-btn:active {
  transform: translateY(1px);
}

.show-btn:hover,
.show-btn:focus {
  opacity: 0.8;
}

.go-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: #4CAF50;
  border-radius: 50%;
  color: #fff;
  text-align: center;
  font-size: 24px;
  line-height: 40px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.go-to-top:hover {
  background-color: #45a049;
}

.go-to-top:focus {
  outline: none;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.go-to-top:active {
  transform: translateY(1px);
}

.go-to-top:hover,
.go-to-top:focus {
  opacity: 0.8;
}
.hidden {
  display: none;
}