<form class="form__border" action="/" method="post">
<input class="input" type="text" placeholder="Enter Domain">
<select class="select" name=".com" id=".com">
<option value=".com">.com</option>
<option value=".org">.org</option>
<option value=".net">.net</option>
<option value=".biz">.biz</option>
</select>
<button class="btn">FIND DOMEN</button>
</form>
.form {
border: 10px solid;
}
.input {
padding-left: 10px;
width: 400px;
height: 37px;
border: none;
color: #000;
}
.select {
height: 37px;
border: none;
}