.jumbotron h1, .jumbotron .h1{
    font-size: 38px !important;
}
.jumbotron {
    background-color: #ecf0f1 !important;
}
.container .jumbotron, 
.container-fluid .jumbotron {
    border-radius: 0 !important;
    -o-border-radius: 0 !important;
    -ms-border-radius: 0 !important;
    -moz-border-radius: 0 !important;
    -webkit-border-radius: 0 !important;
}