<div class="row">
<div class="col"> 1/5 </div>
<div class="col"> 2/5 </div>
<div class="col"> 3/5 </div>
<div class="col"> 4/5 </div>
<div class="col"> 5/5 </div>
</div>
.col-xs-15,
.col-sm-15,
.col-md-15,
.col-lg-15 {
position: relative;
min-height: 1px;
padding-right: 10px;
padding-left: 10px;
}
.col-xs-15 {
width: 20%;
float: left;
}
@media (min-width: 768px) {
.col-sm-15 {
width: 20%;
float: left;
}
}
@media (min-width: 992px) {
.col-md-15 {
width: 20%;
float: left;
}
}
@media (min-width: 1200px) {
.col-lg-15 {
width: 20%;
float: left;
}
}
<div class="col-md-15 col-xs-12 col-sm-15">
</div>