.v-centered-rel {
    position:relative;
    top:50%;
    transform:translateY(-50%);
}

.v-centered-abs {
    position:absolute;
    top:50%;
    transform:translateY(-50%);
}

 .justify:after {
    content:'';
    display:inline-block;
    width:100%;
 }

 .clearfix:after {
     content:'';
     display:table;
     clear:both;
 }