body {
  font-family: Arial, sans-serif;
  background-image: url(images/try3.gif);
}
form {
  background-color: #2AD4FF;
  padding: 20px;
  margin: 50px 50;
  max-width: 500px;
  border-radius: 25px;
  box-shadow: 0 0 10px rgba(23, 233, 51, 0.856);
  margin-left: 5%;
}
h1 {
  text-align: center;
  color: white;
  margin-top: 0;
}
label {
  display: block;
  margin-bottom: 5px;
  color: black;
  font-weight: bold;
}
input[type="number"] {
  padding: 5px;
  width: 50%;
  font-weight: bold;
  border: 1px solid #4CAF50;
  border-radius: 5px;
  box-sizing: border-box;
  margin-bottom: 10px;
  
}
button {
  padding: 10px;
  background-color: #333333;
  color: #ffffff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
button:hover {
  background-color: #4CAF50;
}
#result {
  margin-top: 20px;
  margin-left: 50%;
  padding: 10px;
  background-color: black;
  color: #ffffff;
  border-radius: 5px;
  transition: transform 0.5s;
}
.right{
  flex-basis: 55%;
    text-align: justify;
    text-justify: inter-word;
}
#result:hover{
  transform: translateY(-10px);
  background-color: #4CAF50;
}
#grade-description{
  margin-top: 20px;
  margin-left: 50%;
  padding: 10px;
  background-color: black;
  color: #ffffff;
  border-radius: 5px;
  transition: transform 0.5s;
}
#grade-description:hover{
  transform: translateY(-10px);
  background-color: #4CAF50;
}