I have this code for making a cards stackable box. The problem is that this box is showing me a right paddding in the fragment, can anyone help me?
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<link rel="stylesheet" href="./semantic/semantic.css"/>
<title>Agora</title>
</head>
<body>
<div class="ui teal inverted menu" style="border-radius: 0px;">
<div class="item">
<div class="huge ui buttons">
<div class="ui button">One</div>
<div class="ui button">Two</div>
<div class="ui button">Three</div>
</div>
</div>
<div class="item">
<div class="ui button">Log-in</div>
</div>
</div>
<div class="ui column centered grid">
<div class="fourteen wide column">
<div class="ui center aligned segment">
<div class="ui stackable four column centered grid">
<div class="column">
<div class="ui card">
<div class="image">
<img src="http://semantic-ui.com/images/avatar/large/elliot.jpg">
</div>
<div class="content">
<a class="header">Stevie Feliciano</a>
<div class="meta">
<span class="date">Joined in 2014</span>
</div>
<div class="description">
Stevie Feliciano is a library scientist living in New York City. She likes to spend her time reading, running, and writing.
</div>
</div>
<div class="extra content">
<a>
<i class="user icon"></i>
22 Friends
</a>
</div>
</div>
</div>
<div class="column">
<div class="ui card">
<div class="image">
<img src="http://semantic-ui.com/images/avatar/large/elliot.jpg">
</div>
<div class="content">
<a class="header">Stevie Feliciano</a>
<div class="meta">
<span class="date">Joined in 2014</span>
</div>
<div class="description">
Stevie Feliciano is a library scientist living in New York City. She likes to spend her time reading, running, and writing.
</div>
</div>
<div class="extra content">
<a>
<i class="user icon"></i>
22 Friends
</a>
</div>
</div>
</div>
<div class="column">
<div class="ui card">
<div class="image">
<img src="http://semantic-ui.com/images/avatar/large/elliot.jpg">
</div>
<div class="content">
<a class="header">Stevie Feliciano</a>
<div class="meta">
<span class="date">Joined in 2014</span>
</div>
<div class="description">
Stevie Feliciano is a library scientist living in New York City. She likes to spend her time reading, running, and writing.
</div>
</div>
<div class="extra content">
<a>
<i class="user icon"></i>
22 Friends
</a>
</div>
</div>
</div>
<div class="column">
<div class="ui card">
<div class="image">
<img src="http://semantic-ui.com/images/avatar/large/elliot.jpg">
</div>
<div class="content">
<a class="header">Stevie Feliciano</a>
<div class="meta">
<span class="date">Joined in 2014</span>
</div>
<div class="description">
Stevie Feliciano is a library scientist living in New York City. She likes to spend her time reading, running, and writing.
</div>
</div>
<div class="extra content">
<a>
<i class="user icon"></i>
22 Friends
</a>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
This is the problem image: http://imgur.com/1lrpbUL.png
I need to remove the padding that's in the right side.