How To Customize The Style of All The DropDownLists in ASP.NET MVC 5 Razor

To Customize The Style of All The DropDownLists  in ASP.NET MVC 5 Razor

 Just Add The Class To bootstrap.min.css

.col-md-10 select {
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    border: 1px solid #848484;
    outline: 0;
    height: 25px;
    padding-left: 3px;
    margin-left: 5px
}