h1 {
    text-align: center;
}
details summary {
    cursor: pointer;
}
@keyframes fadein {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
.fresh .keep-word {
    display: none;
}
.keep .fresh-word {
    display: none;
}
form > .message {
    display: none;
    padding: 20px;
    border-radius: 5px;
}
.message textarea {
    width: 100%;
    height: 200px;
    resize: none;
    margin: 10px 0;
}
.message.fade {
    display: block;
    animation: fadein 0.5s linear;
}
.message *:last-child {
    margin-bottom: 0;
}
.message p {
    margin-top: 10px;
}
.message p button {
    margin-right: 5px;
}
.message p button:first-child {
    margin-right: 0;
}
