body {
    background-color: rgb(80, 80, 226);
}

button {
    font-size: 2em;
    border: none;
    color: white;
    border-radius: 15px;
    padding: 8px 16px;
    text-align: center;
    margin: 20px 10px;
    cursor: pointer;
    font-family: 'Times New Roman', Times, serif;
}

#Add {
    background-color: green;

}

#Start { 
    background-color: black;
    
}