#sendButton.composer-disabled {
    opacity: 0.58;
    box-shadow: none;
    transform: none;
    cursor: default;
}

#sendButton.composer-ready {
    box-shadow: 0 14px 34px rgba(37, 99, 235, 0.32);
    transform: translateY(-1px);
}

#sendButton.composer-ready:active {
    transform: translateY(0);
}