.exercise-panel .exercise-visual{font-size:0;background-repeat:no-repeat;background-size:300% 100%;background-position:center;background-color:#eee9df;overflow:hidden}
.exercise-panel .exercise-visual.v0{background-image:url('assets/push-library.png');background-position:left center}
.exercise-panel .exercise-visual.v1{background-image:url('assets/push-library.png');background-position:center center}
.exercise-panel .exercise-visual.v2{background-image:url('assets/push-library.png');background-position:right center}
.exercise-panel .exercise-visual.v3{background-image:url('assets/pull-library.png');background-position:right center}
.exercise-panel .exercise-visual.v4{background-image:url('assets/legs-library.png');background-position:center center}