如何在我的ruby项目中显示行和列？

Question

我希望实现3列布局，我的HTML和CSS代码中包含以下代码。我有我希望容器看起来像的布局，现在我想添加列，但似乎无法在过去的几个小时内正确。任何指导都将不胜感激和赞赏。

提前谢谢

    <div class="wrapper">
        <div class="card radius shadowDepth1">
            <div class="card__image border-tlr-radius">
                <%= link_to image_tag(deal.picture.url(:small), class: "border-tlr-radius") %>
            </div>

            <div class="card__content card__padding">
                <div class="card__share">
                    <div class="card__social">  
                        <a class="share-icon facebook" href="#"><span class="fa fa-facebook"></span></a>
                        <a class="share-icon twitter" href="#"><span class="fa fa-twitter"></span></a>
                        <a class="share-icon googleplus" href="#"><span class="fa fa-google-plus"></span></a>
                    </div>

                    <a id="share" class="share-toggle share-icon" href="#"></a>
                </div>

                <div class="card__meta">
                    <a href="#">Expires I</a>
                    <%= distance_of_time_in_words(Time.now.utc, deal.end_time) %>
                </div>

                <article class="card__article">

                    <h2 class="#"><%= link_to deal.title, deal, {:style=>'color:#617475;', :class => "css_class"} %></h2>


                    <p> <%= deal.description %></p>
                </article>
            </div>

                <div class="btn-group btn-group-justified">
                <a href="javascript:void(0)" class="btn btn-default"><p> $<%= deal.item_price %></a>
                <a href="javascript:void(0)" class="btn btn-default">$30.00</a>
                <a href="javascript:void(0)" class="btn btn-material-light-green">Buy Now!</a>
                    </div>
                    </div>
                </div>
            </div>
        </div>


@import 'http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css';
@import 'http://fonts.googleapis.com/css?family=Roboto:700,400';
/*
*  Basic Reset
*/

*,
*:after,
*:before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/**
 * Basics Styles
 */
html {
  font-size: 62.5%;
}
body {
  background-color: #eee;
  font-family: Roboto;
  font-weight: 400;
  font-size: 1.6em;
  line-height: 1.6;
  color: #666;
}

a {
  text-decoration: none;
  color: #3498db;
}
  a:hover {
    color: #2980b9;
  }

h2 {
  line-height: 1.2;
  margin-bottom: 1.6rem;
}

.wrapper {
  max-width: 400px;
  margin: 50px auto;
  padding-left: 1em;
  padding-right: 1em;
}

/**
 * Helpers
 */
.border-tlr-radius { 
  border-top-left-radius: 2px;
  border-top-right-radius: 2px; 
}

.text-center { text-align: center; }

.radius { border-radius: 2px; }

.padding-tb { padding-top: 1.6rem; padding-bottom: 1.6rem;}

.shadowDepth0 { box-shadow: 0 1px 3px rgba(0,0,0, 0.12); }

.shadowDepth1 {
   box-shadow: 
      0 1px 3px rgba(0,0,0, 0.12),
      0 1px 2px rgba(0,0,0, 0.24);      
}


/**
 * Card Styles
 */

.card {
  background-color: #fff;
  margin-bottom: 1.6rem;
}

.card__padding {
  padding: 1.6rem;
}

.card__image {
  min-height: 100px;
  background-color: #eee;
}
  .card__image img {
    width: 100%;
    max-width: 100%;
    display: block;
  }

.card__content {
  position: relative;
}

/* card meta */
.card__meta time {
  font-size: 1.5rem;
  color: #bbb;
  margin-left: 0.8rem;
}

/* card article */
.card__article a {
  text-decoration: none;
  color: #444;
  transition: all 0.5s ease;
}
  .card__article a:hover {
    color: #2980b9;
  }

/* card action */
.card__action {
  overflow: hidden;
  padding-right: 1.6rem;
  padding-left: 1.6rem;
  padding-bottom: 1.6rem;
}

.card__author {}

  .card__author img,
  .card__author-content {
    display: inline-block;
    vertical-align: middle;
  }

  .card__author img{
    border-radius: 50%;
    margin-right: 0.6em;
  }

.card__share {
  float: right;
  position: relative;
  margin-top: -42px;
}

.card__social {
  position: absolute;
  top: 0;
  right: 0;
  visibility: hidden;
  width: 160px;
  transform: translateZ(0);
    transform: translateX(0px);
    transition: transform 0.35s ease;
}
  .card__social--active {
    visibility: visible;
    /*z-index: 3;*/
    transform: translateZ(0);
    transform: translateX(-48px);
      transition: transform 0.35s ease;
  }

.share-toggle {
  z-index: 2;
}
.share-toggle:before {
  content: "\f1e0";
  font-family: 'FontAwesome';
  color: #3498db;
}
  .share-toggle.share-expanded:before {
    content: "\f00d";
  }

.share-icon {
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  border-radius: 50%;
  background-color: #fff;
  transition: all 0.3s ease;
  outline: 0;

  box-shadow: 
        0 2px 4px rgba(0,0,0, 0.12),
        0 2px 4px rgba(0,0,0, 0.24);
}
  .share-icon:hover,
  .share-icon:focus {
    box-shadow: 
        0 3px 6px rgba(0,0,0, 0.12),
        0 3px 6px rgba(0,0,0, 0.24);

      -webkit-transform: scale(1.2);
      -moz-transform: scale(1.2);
      -ms-transform: scale(1.2);
      -o-transform: scale(1.2);
      transform: scale(1.2);
  }

.facebook {
  background-color: #3b5998; 
}
.twitter {
  background-color: #00abe3; 
}
.googleplus {
  background-color: #d3492c;
}

.facebook,
.twitter,
.googleplus {
  color: #fff;
}

  .facebook:hover,
  .twitter:hover,
  .googleplus:hover {
    color: #eee;
  }

  /// concept ///

  @import url(http://fonts.googleapis.com/css?family=Lato:300,400,700);
@import url(http://weloveiconfonts.com/api/?family=entypo);

/* entypo */
[class*="entypo-"]:before {
  font-family: 'entypo', sans-serif;
}

$primary-text-color: #000;
$secondary-text-color: #A1A1A4;
$theme-color: #8DC63F; 

* {
  box-sizing: border-box;
}

body {
  background: #f5f5f5;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px;

  font-family: 'Lato', sans-serif;
  text-shadow: 0 0 1px rgba(255,255,255,0.004);
  font-size: 100%;
  font-weight: 400;
}

.toggler {
  color: $secondary-text-color;
  font-size: 1.25em;
  margin-left: 8px;
  text-align: center;
  cursor: pointer;

  &.active {
    color: $primary-text-color;
  }
}

.surveys {
  list-style: none;
  margin: 0;
  padding: 0;
}

%card-style {
  display: block;
  margin-top: 10px;
  padding: 20px;
  border-radius: 2px;

  background: white;
  box-shadow: 0 2px 1px rgba(170,170,170,0.25);  
}

.survey-item {
  @extend %card-style;
}

.survey-name {
  font-weight: 400;
}

.list {
  .survey-item {
    position: relative;
    padding: 0;

    font-size: 14px;
    line-height: 40px;

    .pull-right {
      position: absolute;
      right: 0;
      top: 0;
    }

    @media screen and (max-width: 800px) {
      .stage:not(.active) {
        display: none;
      }
    }

    @media screen and (max-width: 700px) {
      .survey-progress-bg {
        display: none;
      }
    }

    @media screen and (max-width: 600px) {
      .pull-right {
        position: static;
        line-height: 20px;
        padding-bottom: 10px;
      }
    }
  }

  .survey-country,
  .survey-progress,
  .survey-completes,
  .survey-end-date {
    color: $secondary-text-color;
  }

  .survey-country,
  .survey-completes,
  .survey-end-date,
  .survey-name,
  .survey-stage {
    margin: 0 10px;
  }

  .survey-country {
    margin-right: 0;
  }

  .survey-end-date,
  .survey-completes,
  .survey-country,
  .survey-name {
    vertical-align: middle;
  }

  .survey-end-date {
    display: inline-block;
    width: 100px;
    white-space: nowrap;

    overflow: hidden;
  }
}

.survey-stage .stage {
  display: inline-block;
  vertical-align: middle;

  width: 16px;
  height: 16px;
  overflow: hidden;
  border-radius: 50%;
  padding: 0;
  margin: 0 2px;

  background: #f2f2f2;
  text-indent: -9999px;
  color: transparent;
  line-height: 16px;

  &.active {
    background: $secondary-text-color;
  }
}

.list {
  .list-only {
    display: auto;
  }
  .grid-only {
    display: none !important;
  }
}

.grid {
  .grid-only {
    display: auto;
  }
  .list-only {
    display: none !important;
  }
}

.grid {
  .survey-item {
    position: relative;
    display: inline-block;
    vertical-align: top;
    height: 200px;
    width: 250px;
    margin: 10px;

    @media screen and (max-width: 600px) {
      display: block;
      width: auto;
      height: 150px;
      margin: 10px auto;
    }
  }

  .survey-name {
    display: block;
    max-width: 80%;

    font-size: 16px;
    line-height: 20px;
  }

  .survey-country {
    font-size: 11px;
    line-height: 16px;
    text-transform: uppercase;
  }

  .survey-country,
  .survey-end-date {
    color: $secondary-text-color;
  }

  .survey-end-date {
    &:before {
      content: 'Ends\00a0';
    }

    &.ended:before {
      content: 'Ended\00a0';
    }
  }

  .survey-progress {
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 20px;
    border-top: 1px solid #eee;
    font-size: 13px;
  }

  .survey-progress-bg {
    width: 40%;
    display: block;

    @media screen and (max-width: 200px) {
      display: none;
    }
  }

  .survey-progress-labels {
    position: absolute;
    right: 20px;
    top: 0;
    line-height: 40px;

    @media screen and (max-width: 200px) {
      right: auto;
      left: 10px;
    }    
  }

  .survey-progress-label {
    line-height: 21px;
    font-size: 13px;
    font-weight: 400;
  }

  .survey-completes {
    line-height: 21px;
    font-size: 13px;
    vertical-align: middle;
  }  

  .survey-stage {
    position: absolute;
    top: 20px;
    right: 20px;

    .stage {
      display: none;
    }

    .active {
      display: block;
    }
  }

  .survey-end-date {
    font-size: 12px;
    line-height: 20px;
  }
}

.survey-progress-label {
  vertical-align: middle;
  margin: 0 10px;
  color: $theme-color;
}

.survey-progress-bg {
  display: inline-block;
  vertical-align: middle;
  position: relative;
  width: 100px;
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  background: #eee;
}

.survey-progress-fg {
  position: absolute;
  top: 0;
  bottom: 0;
  height: 100%;
  left: 0;
  margin: 0;
  background: $theme-color;
}