Ist das wonach Sie suchen? Ich empfehle nehmen Sie einen Blick auf die Grid System:
.row{
margin-top: 10px;
border-top: 2px dashed black;
border-bottom: 2px dashed black;
}
.col-md-6{
height: 20px;
border-right : 2px solid black;
border-left : 2px solid black;
margin: 10px 0 10px 0;
}
.col-md-3{
height: 20px;
border-right : 2px solid black;
border-left : 2px solid black;
margin: 10px 0 10px 0;
}
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<div class="container-fluid">
<div class="row">
<div class="col-xs-6 col-md-6"></div>
<div class="col-xs-6 col-md-6"></div>
</div>
<div class="row">
<div class="col-xs-3 col-md-3"></div>
<div class="col-xs-3 col-md-3"></div>
<div class="col-xs-3 col-md-3"></div>
<div class="col-xs-3 col-md-3"></div>
</div>
<div>
Das ist, was ich für Dank suchen! – Urban
Ich bin froh, Ihnen zu helfen – SilverSurfer