.focus-button {
    background-color: #28a745;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    margin: 10px;
    transition: all 0.3s ease;
    outline: none;
}

.focus-button:focus {
    box-shadow: 0 0 0 4px rgba(40,167,69,0.4);
    background-color: #218838;
}

.focus-button:hover {
    background-color: #218838;
}