timetable.css

.info-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 10px;
    background-color: #f2f2f2;
    border: 2px solid #45adf2;
    border-radius: 10px;
    margin-bottom: 20px;
    
}
.star {
    color: #ffcc00;
    font-size: 1.2em;
    margin-right: 5px;
}
 .star {
    color: #ffcc00;
    font-size: 1.2em;
    margin-left: 5px;
}
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-image: url('timetable.jpg'); 
     background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
   
}
h1 {
    text-align: center;

}
h6{
    margin-top: 2px;
    margin-bottom: 2px;
}
form {
    max-width: 600px;
    margin: 0 auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    color: rgb(51, 48, 44);
}
th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th {
    background-color: #45adf2;
}
tr {
    background-color: rgb(207, 236, 249);
}
input[type="text"],
input[type="number"] {
    width: calc(100% - 20px);
    padding: 5px;
    margin-bottom: 2px;
    border: 1px solid #ddd;
}
input[type="submit"] {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    border-radius: 4px;
  margin-bottom: 5px;
}
input[type="submit"]:hover {
    background-color: #45a049;
   
}