body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f5ff;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

#welcome-text {
    font-size: 24px;
    margin: 20px 0;
}

.selectors {
    display: flex;
    justify-content: space-between;
    width: 400px;
    margin: 20px 0;
}

.selectors select {
    font-size: 16px;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #fff;
    transition: background-color 0.3s;
}

.selectors select:hover {
    background-color: #eee;
}

#matieres-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 30px;
}

.subject {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 10px;
    padding: 20px;
    width: 250px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-align: center;
}

.subject h2 {
    font-size: 20px;
    margin: 10px 0;
}

.subject p {
    font-size: 16px;
    margin: 5px 0;
}

.subject.selected {
    background-color: #3498db;
    color: #fff;
}

button {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    font-size: 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

#result {
    text-align: center;
    font-size: 20px;
    margin-top: 50px;
    margin-bottom: 50px;
    max-width: 700px;
}

#site-description {
    font-family: 'Roboto', sans-serif;
    font-size: 18px; 
    margin: 20px; 
    padding: 20px; 
    text-align: center;
}


.subject {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 10px; 
    margin: 10px;
    padding: 20px;
    width: 250px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s, border-radius 0.3s;
    text-align: center;
}

.subject h2 {
    font-size: 20px;
    margin: 10px 0;
}

.subject p {
    font-size: 16px;
    margin: 5px 0;
}

.subject.selected {
    background-color: #3498db;
    color: #fff;
    transform: scale(1.05); 
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); 
}
.subject:hover {
    transform: translateY(-5px); 
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}