body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
}

.app-container {
    text-align: center;
    max-width: 400px;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 20px;
}

.options {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

#optionInput {
    padding: 10px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

#addOptionBtn {
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    font-size: 16px;
}

#addOptionBtn:hover {
    background-color: #2980b9;
}

.options-list {
    margin-bottom: 20px;
}

.options-list ul {
    list-style-type: none;
    padding: 0;
}

.options-list li {
    margin-bottom: 5px;
}

#spinBtn {
    padding: 15px 30px;
    background-color: #2ecc71;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

#spinBtn:hover {
    background-color: #27ae60;
}

.result {
    font-size: 24px;
    font-weight: bold;
    margin-top: 20px;
}

#optionsList {
    list-style-type: none;
    padding: 0;
}

#optionsList li {
    margin-bottom: 5px;
    padding: 10px;
    background-color: #f0f0f0;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

#optionsList li.highlight {
    background-color: #ffd700; /* Highlight color */
}