if ((utf8_strlen(trim($this->request->post['address_1'])) < 3) || (utf8_strlen(trim($this->request->post['address_1'])) > 128)) {
$json['error']['address_1'] = $this->language->get('error_address_1');
}
<div class="form-group required">
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link href="main.css" type="text/css" rel="stylesheet" media="screen">
<link href="login.css" type="text/css" rel="stylesheet" media="screen">
</head>
<body>
<div class="main">
<header>Header</header>
<main>
<div class="login">Login</div>
</main>
<footer>Footer</footer>
</div>
</body>
</html>
/*Все стили для бока с классом login*/
.login{
}
.intro_last {
position: absolute;
right: 0;
}
<!-- Intro start -->
<div class="intro">
<div class="container">
<div class="intro_inner">
<img class="intro_round" src="img/intro/riph.png" alt="Iphone">
<div class="intro_p1">
<div class="intro_start">
<img class="intro_earth" src="img/intro/earth.png" alt="earth">
<div class="intro_text1">
App of<br> the year
</div>
</div>
<h1 class="intro_textM">My apps shoecase</h1>
<h2 class="intro_textS">Lorem Ipsum is simply dummy text .....</h2>
<div class="intro_buy">
<i class="fas fa-shopping-cart"></i>
<a class="cartText" href="#">Buy now</a>
</div>
</div>
<div class="intro_last">
<a href="http://piccy.info/view3/13642478/c35a5f7f1efd3926282063b15e9247b5/" target="_blank"><img
src="http://i.piccy.info/i9/e9c54fb1611ee0eade25ff9f529ad149/1581110018/2988/1361251/slider.png"
alt="Piccy.info - Free Image Hosting" border="0"/></a><a
href="http://i.piccy.info/a3c/2020-02-07-21-13/i9-13642478/356x135-r" target="_blank"><img
src="http://i.piccy.info/a3/2020-02-07-21-13/i9-13642478/356x135-r/i.gif" alt="" border="0"/></a>
</div>
</div>
</div>
</div>
<!-- Intro end -->