gistfile1.css

.st-module-nav-dropdown-select {
  display:inline-block;
  padding:10px;
  color:#333333;
  line-height:100%;
  border-width:1px;
  border-style:solid;
  border-color:#cccccc;
  background-color:white;
}
.st-module-nav-dropdown-select-label {
  padding-right:5px;
}
.st-module-nav-dropdown-select-arrow {
  color:#3b5998;
}