Select2 start with input field instead of dropdown

Question

I use the js library select2. This is a screenshot of what I have now:
Start:

Answer 1

I simply formatted a standard input box with CSS to look like a Select2() dropdown:

input {
    width: 100%;
    padding: 7px 5px;
    margin: 1px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}