form {
    width: 75%;
    margin: auto;
    margin-top: 50px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 25px;
    padding: 25px;
    box-shadow: 5px 5px 20px grey;
}

#placeholder {
    height: 50px;
}

#msg {
    width: 75%;
    margin: auto;
    margin-top: 50px;
    border-radius: 25px;
    padding: 25px;
    box-shadow: 5px 5px 20px grey;
}

.red {
    background-color: rgba(175, 0, 0, 0.5);
}

.green {
    background-color: rgba(0, 175, 0, 0.5);
}