body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: url('background.jpg');
  background-repeat: repeat;
  filter: blur(5px);
}



.container {
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  background-size: cover;
  padding: 10px;
  
}

.box {
  width: calc(50% - 20px);
  background-color: transparent;
  border: 1px solid #ccc;
  padding: 5px;
  margin: 5px;
  transition: height 0.5s ease;
  overflow: hidden;
}

.box-closed {
  height: 50px;
  background-color: transparent;
  
}

.box-content {
  background-color: rgba(128, 128, 128, 0.5); 
  padding: 1px;
  font-weight: bold;
  cursor: pointer;
  backdrop-filter: blur(5px); 
  border: 1px solid #ccc
}

.box-header {
  background-color: rgba(128, 128, 128, 0.5); 
  padding: 1.5px;
  font-weight: bold;
  cursor: pointer;
  backdrop-filter: blur(5px); 
}


.box-header:hover {
  background-color: #702be0;
}








#back{ 
  text-align: center;
  padding-top: 100px;
}