JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper" class="clearfix centrDiv">
            <div id="levo">
                <div id="logo" class="centrSlik">
                    <img src="wheel.gif"/>
                </div>
                <div id="podmeni">
                    <ul>
                        <li><a href="#">test</a></li>
                        <li><a href="#">test</a></li>
                        <li><a href="#">test</a></li>

                    </ul>

                </div>


            </div>
            <div id="desno">
            <div id="meni">
                <ul>
                    <li></li>
                </ul>

            </div>


            <div id="tekst">
                <p>
                  ttaatareatasfgfgfd
                </p>

            </div>
            </div>
        </div>

CSS

* { padding: 0; margin: 0; list-style: none; font-family: 'Philosopher', cursive; text-decoration: none; color: black;}
#wrapper{width: 930px; height:100%; margin-top: 15px; background-color: #71637D;}

#wrapper{overflow:auto}

#meni{background-image: -webkit-gradient(linear, left top, right bottom, from(#FF9999), color-stop(100%, #71637D)); padding: 8px 15px 10px;
-webkit-border-bottom-left-radius: 10px 20px; -webkit-border-top-right-radius:10px 20px; border: 1px solid #FF9999; opacity:0.9; -webkit-box-shadow: 5px 5px 20px #4AC0F2;}
#levo{width: 130px; min-height: 350px; background-image: -webkit-linear-gradient(top, #71637D 120px, #4AC0F2);
         float: left;}
#tekst{padding: 20px 15px;}
#tekst p{margin-bottom: 10px;}
#logo{background-color: white;}
#desno{width: 800px; min-height: 350px; background-image: -webkit-linear-gradient(-75deg, #71637D 30%, #4AC0F2); float: right;
-webkit-border-top-right-radius:10px 20px; }

#podmeni ul{height: 220px; -webkit-border-image: -webkit-gradient(linear, left top, left bottom, from(#FF9999), color-stop(100%, #4AC0F2)) 0 100% 0 0/0 5px 0 0 stretch;}
#meni li{letter-spacing: 2px; font-size: 16px; font-weight: bold;  display: inline; margin-right: 5px;}
#meni li:hover{-webkit-border-image: -webkit-gradient(linear, right top, left top, from(#FF9999), color-stop(100%, transparent)) 0 0 100% 0/0 0 5px 0}
#meni a{text-shadow: 0.1em 0.1em #333;}

.centrDiv{margin: 0 auto;}
.centrSlik{text-align: center;}
.nevidljivo{display:none;}