nav a {
  padding-top: 20px !important;
  padding-bottom: 20px !important;
  font-size: 18px;
}

nav .navbar-toggle {
  margin: 13px 15px 13px 0;
}

.navbar-brand {
  font-size: 30px;
}



nav.navbar.shrink {
  min-height: 35px;
}

nav.shrink a {
  padding-top: 10px !important;
  padding-bottom: 10px !important;
  font-size: 15px;
}

nav.shrink .navbar-brand {
  font-size: 25px;
}

nav.shrink .navbar-toggle {
  padding: 4px 5px;
  margin: 8px 15px 8px 0;
}