JSFiddle - React, Tailwind, and code Playground

HTML

<html>

<head>
    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.99.0/css/materialize.min.css">
    <style>
        .card-image {
            padding: 15px;
        }
    </style>

    <meta name="viewport" content="width=device-width, initial-scale=1.0" />



</head>

<body>
    <!--Import jQuery before materialize.js-->
    <script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.99.0/js/materialize.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
    <div class="container" id="container">
        

                <a class="waves-effect waves-light btn" href="#modal1">Dodaj postavko</a>

                <!-- Modal Structure -->
                <div id="modal1" class="modal modal-fixed-footer">
                    <div class="modal-content">
                        <div class="input-field col l7">
                            <input placeholder="" id="opis" type="text" class="validate">
                            <label for="date">Opis postavke</label>
                        </div>
                        <div class="input-field col l3">
                            <input placeholder="" id="cena" type="text" class="validate">
                            <label for="date">Cena</label>
                        </div>
                        <div class="input-field col l2">
                            <input placeholder="" id="kosi" type="text" class="validate">
                            <label for="date">Št. kosov</label>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <a href="#!" class="modal-action modal-close waves-effect waves-red btn-flat">Prekini</a>
                        <a...