.validation-summary-valid {
    display: none;
}

.content-header > .breadcrumb > li {
   max-width:500px; overflow:hidden; white-space:nowrap; text-overflow:ellipsis;
}

.content-header > .breadcrumb > li:last-of-type {
   max-width:100px; overflow:hidden; white-space:nowrap; text-overflow:ellipsis;
}

.content-header > h1.header-title {
   max-width:500px; overflow:hidden; white-space:nowrap; text-overflow:ellipsis;
}