.wf-container { margin: 0 auto; padding-top: 50px }
.wf-container:before,
.wf-container:after {
  content: '';
  display: table;
}
.wf-container:after { clear: both; }
.wf-box { margin: 12px; 
  border-radius: 0.2rem;
  background-color: #fff;
  background-color: #fff;
    -webkit-box-shadow: 0px 0px 4px 4px rgba(0,0,0,0.1); 
    box-shadow: 0px 0px 4px 4px rgba(0,0,0,0.1);
}
.wf-box img {
  display: block;
  width: 100%;
}
.wf-box .content {
  
  border-top-width: 0;
  padding: 5px 8px;
}
.wf-column { float: left; }

@media screen and (min-width: 768px) {
    .wf-container { width: 750px; }
    }
    @media screen and (min-width: 992px) {
    .wf-container { width: 970px; }
    }
    @media screen and (min-width: 1200px) {
    .wf-container { width: 1170px; }
    }