JSFiddle - React, Tailwind, and code Playground

HTML

<div class="allfilterrrr">

<div class="filterblock">
<strong>Возраст</strong><br/>
<input class="inbr" name="min_age" style="width: 35px" placeholder="18"> &nbsp;- &nbsp;<input class="inbr" name="max_age" style="width: 35px" placeholder="80"></div>

<div class="filterblock">
<strong>Рост</strong><br/>
<input class="inbr" name="min_height" style="width: 35px" placeholder="150"> &nbsp;-&nbsp; <input class="inbr" name="max_height" style="width: 35px" placeholder="200"></div> 
    
    </div>

CSS

.filterblock{
padding: 8px;
display:inline-block;
margin-right: 17px;
border: 1px solid #000;
-webkit-border-radius: 3px;
-o-border-radius: 3px;
-khtml-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
} 
.allfilterrrr{
width: 500px;
text-align:center;
border:1px solid red;
}