JSFiddle - React, Tailwind, and code Playground

by Adem GENC

HTML

<div class="tree"><!-- <div class="tree"> -->
    <ul><!-- <ul> 1 -->
        <li><!-- <li> 1 -->
            <select id='basla'>
                <option value="0" selected>Seç</option>
                <option value='2'> 1/2 </option>
                <option value='4'> 1/4 </option>
                <option value='8'> 1/8 </option>
                <option value='16'> 1/16 </option>
                <option value='32'> 1/32 </option>
                <option value='64'> 1/64 </option>
            </select><br /><input name="" style="width:50px;text-align:center;" oninput="this.value = this.value.toUpperCase()">
            <ul id="menu"><!-- <ul> 2 kalıcı -->
                    
            </ul><!-- <ul> 2 kalıcı -->
        </li><!-- <li> 1 -->
    </ul><!-- <ul> 1 -->
</div><!-- <div class="tree"> -->

CSS

/*Now the CSS*/
* {margin: 0; padding: 0;}

.tree ul {
	padding-top: 20px; position: relative;
	
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
}

.tree li {
	float: left; text-align: center;
	list-style-type: none;
	position: relative;
	padding: 20px 5px 0 5px;
	
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
}

/*We will use ::before and ::after to draw the connectors*/

.tree li::before, .tree li::after{
	content: '';
	position: absolute; top: 0; right: 50%;
	border-top: 1px solid #ccc;
	width: 50%; height: 20px;
}
.tree li::after{
	right: auto; left: 50%;
	border-left: 1px solid #ccc;
}

/*We need to remove left-right connectors from elements without 
any siblings*/
.tree li:only-child::after, .tree li:only-child::before {
	display: none;
}

/*Remove space from the top of single children*/
.tree li:only-child{ padding-top: 0;}

/*Remove left connector from first child and 
right connector from last child*/
.tree li:first-child::before, .tree li:last-child::after{
	border: 0 none;
}
/*Adding back the vertical connector to the last nodes*/
.tree li:last-child::before{
	border-right: 1px solid #ccc;
	border-radius: 0 5px 0 0;
	-webkit-border-radius: 0 5px 0 0;
	-moz-border-radius: 0 5px 0 0;
}
.tree li:first-child::after{
	border-radius: 5px 0 0 0;
	-webkit-border-radius: 5px 0 0 0;
	-moz-border-radius: 5px 0 0 0;
}

/*Time to add downward connectors from parents*/
.tree ul ul::before{
	content: '';
	position: absolute; top: 0; left: 50%;
	border-left: 1px solid #ccc;
	width: 0; height: 20px;
}

.tree li a{
	border: 1px solid #ccc;
	padding: 5px 10px;
	text-decoration: none;
	color: #666;
	font-family: arial, verdana, tahoma;
	font-size: 11px;
	display: inline-block;
	
	border-radius: 5px;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
}

/*Time for some hover effects*/
/*We will apply the hover effect...

JavaScript

$(document).ready(function(){

        var option2 = 
            '<option value="0" selected>Seç</option>' +
            '<option value="2"> 1/2 </option>' +
            '<option value="4"> 1/4 </option>' +
            '<option value="8"> 1/8 </option>' +
            '<option value="16"> 1/16 </option>' +
            '<option value="32"> 1/32 </option>';
        var option3 = 
            '<option value="0" selected>Seç</option>' +
            '<option value="2"> 1/2 </option>' +
            '<option value="4"> 1/4 </option>' +
            '<option value="8"> 1/8 </option>' +
            '<option value="16"> 1/16 </option>';

        var option4 = 
            '<option value="0" selected>Seç</option>' +
            '<option value="2"> 1/2 </option>' +
            '<option value="4"> 1/4 </option>' +
            '<option value="8"> 1/8 </option>';

        var option5 = 
            '<option value="0" selected>Seç</option>' +
            '<option value="2"> 1/2 </option>' +
            '<option value="4"> 1/4 </option>';

        var option6 = 
            '<option value="0" selected>Seç</option>' +
            '<option value="2"> 1/2 </option>';

        var input = "";
        for (i = 1; i <= 64; i++) {
            input += '<li><input name="64[' + i + ']" style="width:40px;text-align:center;" oninput="this.value = this.value.toUpperCase()"></li>';
        }

        var input21 = "";
        for (i = 1; i <= 32; i++) {
            input21 += '<li><input name="21[' + i + ']" style="width:40px;text-align:center;" oninput="this.value = this.value.toUpperCase()"></li>';
        }

        var input22 = "";
        for (i = 1; i <= 32; i++) {
            input22 += '<li><input name="22[' + i + ']" style="width:40px;text-align:center;" oninput="this.value = this.value.toUpperCase()"></li>';
        }

        //var input = '<input style="width:40px;text-align:center;" oninput="this.value = this.value.toUpperCase()">';

/** İLK SPLITTER BAŞLAMA BÖLMEDE SEÇİLDİĞİNDE...