.wf-container { margin: 0 auto; }
.wf-container:before,
.wf-container:after {
  content: '';
  display: table;
}
.wf-container:after { clear: both; }
.wf-box { 
    margin: 4px;
    margin-bottom: 8px;
    /* margin: 10px;  */
}
.wf-box img {
  display: block;
  width: 100%;
}
.wf-box .content {
  /* border: 2px solid darkgray; */
  /* border-top-width: 0; */
  padding: 5px 8px;
  /* padding: 5px 8px; */
}
.wf-column { float: left; 
/* background-color: aquamarine; */
}

@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: 1200px; }
/* .wf-container { width: 1170px; } */
}