strap.css

strap.css
.masthead .img-responsive {
        display:inherit;
}

.bg-primary a {
        color:#fff;
}

.navbar .nav > li > a {
  cursor:pointer;
}

form[novalidate] input:focus:invalid,
form[novalidate] textarea:focus:invalid,
form[novalidate] select:focus:invalid {
    color: #555;
    border-color: rgba(82, 168, 236, 0.8);;
    -webkit-box-shadow:
        inset 0 1px 1px rgba(0, 0, 0, 0.075),
        0 0 8px rgba(82, 168, 236, 0.6);
    -moz-box-shadow:
        inset 0 1px 1px rgba(0, 0, 0, 0.075),
        0 0 8px rgba(82, 168, 236, 0.6);
    box-shadow:
        inset 0 1px 1px rgba(0, 0, 0, 0.075),
        0 0 8px rgba(82, 168, 236, 0.6);
}

/* tablet */
@media (min-width: 768px) and (max-width: 991px) {
        .masthead .form-control {
                width: 120px;
        }
}