.black-ribbon {  position: fixed;  z-index: 9999;  width: 70px;}
@media only all and (min-width: 768px) {  .black-ribbon {    width: auto;  }}
.stick-left { left: 0; }
.stick-right { right: 0; }
.stick-top { top: 0; }
.stick-bottom { bottom: 0; }