JSFiddle - React, Tailwind, and code Playground

HTML

<div class="every">

<ul class="horizontal-menu">

<li><a href="#">SPo</a></li>

<li><a href="#">About</a></li>

<li><a href="#">Products</a></li>

<li><a href="#">Contact</a></li>

<li><a href="#">Contact</a></li>

<li><a href="#">Contact</a></li>

</ul>

<div class="ser">

<div class="search">

<input type="text" placeholder="검색어 입력">
<button class="search2">More</button>
<button>검색</button>

</div>


</div>

CSS

body, ul {

margin: 0;

padding: 0;

text-align:center

}

ul {

margin: 10px;

display: table;

margin-left: auto;

margin-right: auto;

border: 1px solid #ccc;

}

li {

list-style-type: none;목록 앞에 붙는 점을 없애기

}

a {

text-decoration: none;

color: inherit;

}

/* Design Area */

body {

text-align: center;

}

.horizontal-menu {

position: relative;

display: inline-block;

overflow: hidden;

border-bottom: 3px solid #318294;

}

.horizontal-menu li {

float: left;

}

.horizontal-menu a {

display: block;

height: 50px;

line-height: 50px;

background-color: #3ea3ba;

color: #000000;

padding: 0 35px;

border-right: 1px solid #358da1;

}

.horizontal-menu li:last-child a { 

border-right: 0;

}

.horizontal-menu a:hover {

background-color: #358da1;

color: #e19fed;

}

input:-ms-input-placeholder {color:#a8a8a8; }

input::-webkit-input-placeholder {color:#a8a8a8;}

input::-moz-placeholder {color:#a8a8a8;}

.every {

}

.ser {

overflow: hidden;

display: inline-block;

margin: 0;

padding: 0;

text-align:center;

line-height: 50px;

margin: 0px;

display: block;

border: 1px solid #ccc;

margin-left: auto;

margin-right: auto;

}

.search {

position: relative;

margin: 6px;

display: inline-block;


margin-left: auto;

margin-right: auto;

width: 100%;

height: auto;

width: 490px;

border: 1px solid #000000;

background: #ffffff;}

.search:after {

content: "";

display: block;

clear: both;

}

input{

font-size: 16px;

width: 325px;

padding: 10px;

border: 1px;

outline: none;

float: left;

}

button{

width: 50px;

height: 38px;

border: 0px

background: #1b5ac2;

outline: none;

float: right;

color: #000000;

}