@-webkit-keyframes loopsy{0%{-webkit-transform:translateX(200%);transform:translateX(200%)}to{-webkit-transform:translateX(-200%);transform:translateX(-200%)}}@keyframes loopsy{0%{-webkit-transform:translateX(200%);transform:translateX(200%)}to{-webkit-transform:translateX(-200%);transform:translateX(-200%)}}.lesson-bar{background-color:#0d0d14;border-right:1px solid hsla(0,0%,100%,.06)}.lesson-bar-back{background-color:hsla(0,0%,100%,.03);border-bottom:1px solid hsla(0,0%,100%,.06);color:var(--cosmos-text-muted);-webkit-transition:background-color .2s ease;transition:background-color .2s ease}.lesson-bar-back:hover{background-color:hsla(0,0%,100%,.06)}.lesson-bar-course-title{background-color:hsla(0,0%,100%,.03);border-bottom:1px solid hsla(0,0%,100%,.06);color:var(--cosmos-text);font-family:var(--font-display);font-weight:700;font-size:.75rem;letter-spacing:.05em}.lesson-link{color:var(--cosmos-text-muted);border-bottom:1px solid hsla(0,0%,100%,.04);-webkit-transition:background-color .3s ease,color .3s ease;transition:background-color .3s ease,color .3s ease}.lesson-link:hover{background-color:hsla(0,0%,100%,.04);color:var(--cosmos-text)}.lesson-active{background:-webkit-gradient(linear,left top,right top,from(rgba(6,182,212,.15)),to(rgba(6,182,212,.05)));background:linear-gradient(90deg,rgba(6,182,212,.15),rgba(6,182,212,.05));color:var(--cosmos-cyan)!important;border-left:3px solid var(--cosmos-cyan);-webkit-box-shadow:inset 4px 0 12px rgba(6,182,212,.08);box-shadow:inset 4px 0 12px rgba(6,182,212,.08)}.lesson-bar-next{background-color:#0d0d14;border-top:1px solid hsla(0,0%,100%,.06);color:var(--cosmos-text-muted);-webkit-transition:background-color .2s ease,color .2s ease;transition:background-color .2s ease,color .2s ease}.lesson-bar-next:hover{background-color:hsla(0,0%,100%,.04);color:var(--cosmos-text)}.hover:hover .loopsy{-webkit-animation:loopsy 1s linear 0s infinite normal both;animation:loopsy 1s linear 0s infinite normal both}.b-54{bottom:54px}