.spalter {
    -webkit-column-count: 3; /* Chrome, Safari, Opera */
    -moz-column-count: 3; /* Firefox */
    column-count: 3;
     -webkit-column-gap: 40px; /* Chrome, Safari, Opera */
    -moz-column-gap: 40px; /* Firefox */
    column-gap: 40px;
    background-coler:red;
 
}

<div  id="question145" class="multiple-opt spalter col-xs-12 question-container">
 
        <!-- Question title -->
        <div class="row question-wrapper question-title-container">
            <div class="col-sm-12 questiontext">
                <div class="qnumcode question-text">
                 Hvilke selskap bruker dere?
                </div>
 
            </div>
        </div>
 
        <!-- Question valid message -->
        <div class="row question-wrapper">
            <div class="col-sm-12 questionvalidcontainer">
                <div class="text-info questionhelp " role="alert"  id="vmsg_145"  >
    <div id='vmsg_145_default' class='em_default emtip '>
 
    <span class='fa fa-exclamation-circle' aria-hidden="true"></span>
    Velg alternativene som passer</div>
</div>
 
 
 
            </div>
        </div>
 
        <!-- Question help -->
        <div class="row question-wrapper question-help-container">
            <div class="col-sm-12 question-help">
 
            </div>
        </div>
 
        <!-- Answer -->
        <div class="row question-wrapper answer-container">
            <div class="col-sm-12 answer">
                <!-- Multiple Choice -->
 
<!-- answer -->
<div class="row multiple-choice-container subquestion-list questions-list checkbox-list">
        <input type="hidden" name="MULTI975185X7X145" value="105" />
 
 
<!-- answer_row -->
<div class="col-sm-12">
        <div id='javatbd975185X7X145SQ1' class='question-item answer-item checkbox-item form-group  checkbox'  >
            <input
                class="checkbox"
                type="checkbox"
                name="975185X7X145SQ1"
                id="answer975185X7X145SQ1"
                value="Y"
                                onclick='cancelBubbleThis(event); checkconditions(this.value, this.name, this.type)'
                aria-labelledby="label-answer975185X7X145SQ1"
            />
 
            <label for="answer975185X7X145SQ1" class="answertext"></label>
 
            <!--
                 The label text is provided inside a div,
                 so final user can add paragraph, div, or whatever he wants in the subquestion text
                 This field is related to the input thanks to attribute aria-labelledby
            -->
            <div class="label-text label-clickable" id="label-answer975185X7X145SQ1">
                    en            </div>
 
            <input
                type="hidden"
                name="java975185X7X145SQ1"
                id="java975185X7X145SQ1"
                value=""
            />
        </div>
</div>
<!-- end of answer_row -->
 
<!-- answer_row -->
<div class="col-sm-12">
        <div id='javatbd975185X7X145SQ2' class='question-item answer-item checkbox-item form-group  checkbox'  >
            <input
                class="checkbox"
                type="checkbox"
                name="975185X7X145SQ2"
                id="answer975185X7X145SQ2"
                value="Y"
                                onclick='cancelBubbleThis(event); checkconditions(this.value, this.name, this.type)'
                aria-labelledby="label-answer975185X7X145SQ2"
            />
 
            <label for="answer975185X7X145SQ2" class="answertext"></label>
 
            <!--
                 The label text is provided inside a div,
                 so final user can add paragraph, div, or whatever he wants in the subquestion text
                 This field is related to the input thanks to attribute aria-labelledby
            -->
            <div class="label-text label-clickable" id="label-answer975185X7X145SQ2">
                    to            </div>
 
            <input
                type="hidden"
                name="java975185X7X145SQ2"
                id="java975185X7X145SQ2"
                value=""
            />
        </div>
</div>
<!-- end of answer_row -->

.col-sm-2 {
    width: 16.6667%;
}