*{
  margin:0;
  padding:0;
  background-color: #87CEEB ;
}

.subjects{
  position: absolute;
  margin: 10px;
  top: 35%;
  left: 35%;
  width: 400px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 45px;
  background-color: white;
  border: 20px solid lightgreen;
  border-radius: 8px;
  align-items: center;
  /* z-index: 3; */
}

.water{
  position: absolute;
  height: 20vh;
  width: 100%;
  bottom: 0;
  background-color: #1CA3EC;
}



.subjects button{
  padding: 10px;
  border: 10px solid blue;
  border-radius: 10px;
}