.upperPart {
    background-color: rgba(255, 255, 0, 0.363);
    text-align: center;
}

body {
    background-color: rgba(128, 128, 128, 0.562);
    text-align: center;
}

.button {
    background-color: green;
    border: none;
    color: white;
    text-align: center;
    margin: 4px 2px;
    cursor: pointer;
    padding: 16px 32px;
    border-radius: 50;
    
}