.lesson-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center}.options button{display:block;margin:10px;padding:10px 20px;font-size:16px;cursor:pointer}.continue{margin-top:20px;padding:10px 20px;font-size:18px;background-color:#42b983;color:#fff;border:none;cursor:pointer}.continue:disabled{background-color:gray;cursor:not-allowed}.correct{background-color:#90ee90}.wrong{background-color:#f08080}.slide-in-enter-active,.slide-in-leave-active{transition:transform .5s ease-in-out}.slide-in-enter{transform:translate(100%)}.slide-in-leave-to{transform:translate(-100%)}.slide-up-enter-active,.slide-up-leave-active{transition:transform .5s ease-in-out}.slide-up-enter{transform:translateY(100%)}.slide-up-leave-to{transform:translateY(-100%)}