.header_search .form-control.input-lg {
    height: 42px;
    width: 300px;
    border-radius: 5px;
}
#search .input-group-btn {
    right: -6px;
}
#search .btn-lg {
    background: #ffb700;
}

@media (max-width: 500px) {
#search {
    justify-self: center;
}
}