#toast {
    visibility: hidden;
    min-width: 150px;
    margin-left: -100px;
    background-color: #ffcc00;
    color: #333;
    text-align: center;
    border-radius: 5px;
    padding: 16px;
    position: fixed;
    z-index: 10000;
    left: 50%;
    top: 30px;
    font-size: 16px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: visibility 0s, opacity 0.5s linear;
    opacity: 0;
}

#toast.show {
    visibility: visible;
    opacity: 1;
}