.page[name='preUpdate'] {
    background-color: #1b1b1b;
}
.page[name='preUpdate'] > .content > .title {
   color: #ffffff;
}
.page[name='preUpdate'] > .content > .description {
   color: #aeaeae;
}
.page[name='preUpdate'] > .content > .button {
    background-color: #0373f3;
    color: #ffffff;
}