JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
        <div class="top-bar" id="example-menu">
            <div class="top-bar-left">
                <ul class="dropdown menu" data-dropdown-menu>
                    <li class="menu-text">
                        <a href="index.php">Team | Ball</a>
                    </li>
                    <li class="has-submenu">
                        <a href="#">Settings<span class="secondary badge"><i class="fi-power"></i></span></a>
                        <ul class="submenu menu vertical" data-submenu>

                            <li><a href="#">Colors</a></li>
                            <li><a href="#">Size</a></li>
                            <li><a href="#">games?</a></li>
                        </ul>
                    </li>


                    <?php if (!$loggedin) { ?>
                    <li><a href="?page=register">Register</a></li>
                    <?php } else{ ?>



                    <li><a href="#addPlayerModel" id='rosterBtn'><span id='' class='playButtons badge primary'><i class='fa fa-user-plus'></i></span>outside Add Players</a></li>

                    <li class='has-submenu'>
                        <a href="#">Roster</a>
                        <ul class="submenu menu vertical">
                            <li><a href="#addPlayerModel" id='rosterBtn'><span id='' class='playButtons badge primary'><i class='fa fa-user-times'></i></span>Edit Players</a></li>

                            <li><a href="#addPlayerModel" id='rosterBtn'><span id='' class='playButtons badge primary'><i class='fa fa-user-plus'></i></span>Add Players</a></li>

                            <li><a href="#addPlayerModel" id='rosterBtn'><span id='' class='playButtons badge primary'><i class='fa fa-user-times'></i></span>Edit Players</a></li>
                            <li><a href="?page=register">Register</a></li>
                        </ul>
                    <li>
                        <a class="button info" id='startGameBtn' href="" onclick='
...

CSS

.modalDialog:target {
  opacity: 1;
  pointer-events: auto;
}

.modalDialog > div {
  width: 600px;
  position: relative;
  margin: 10% auto;
  padding: 5px 20px 13px 20px;
  border-radius: 10px;
  background: #fff;
  background: -moz-linear-gradient(#fff, #999);
  background: -webkit-linear-gradient(#fff, #999);
  background: -o-linear-gradient(#fff, #999);
}

.modalDialog {
  position: fixed;
  font-family: Arial, Helvetica, sans-serif;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 99999;
  opacity: 0;
  -webkit-transition: opacity 400ms ease-in;
  -moz-transition: opacity 400ms ease-in;
  transition: opacity 400ms ease-in;
  pointer-events: none;
}

.close {
  background: #606061;
  color: #FFFFFF;
  line-height: 25px;
  position: absolute;
  right: -12px;
  text-align: center;
  top: -10px;
  width: 24px;
  text-decoration: none;
  font-weight: bold;
  -webkit-border-radius: 12px;
  -moz-border-radius: 12px;
  border-radius: 12px;
  -moz-box-shadow: 1px 1px 3px #000;
  -webkit-box-shadow: 1px 1px 3px #000;
  box-shadow: 1px 1px 3px #000;
}