html {
    font-size: 1.5em;
}
#titre {
    background-color: black;
    color: white;
    padding: 10px 30px 10px 30px;
    cursor: pointer;
}
input {
    width: calc(100% - 2em);
    border-radius: 8px;
    padding: 1em 1em 1em 1em;
}
button {
    width: calc(100% - 1em);
    height: 5em;
    border-radius: 8px;
    cursor: pointer;
}
ul.menu li {
    cursor: pointer;
}
table {
    border-collapse: collapse;
}
.button {
    cursor: pointer;
}
li.erreur {
    color: red;
    font-weight: bold;
}