<style>
.green_window {
display: inline-block;
width: 366px; height: 34px;
border: 3px solid #2db400;
background: white;
}
.input_text {
width: 348px; height: 21px;
margin: 6px 0 0 9px;
border: 0;
line-height: 21px;
font-weight: bold;
font-size: 16px;
outline: none;
}
.sch_smit {
width: 54px; height: 40px;
margin: 0; border: 0;
vertical-align: top;
background: #22B600;
color: white;
font-weight: bold;
border-radius: 1px;
cursor: pointer;
}
.sch_smit:hover {
background: #56C82C;
}
</style>
<span class='green_window'>
<input type='text' class='input_text' />
</span>
<button type='submit' class='sch_smit'>검색</button>
간단한 네이버 검색창 css입니다.