.option-btn{width:80%;padding:15px;background-color:#7e57c2;border:none;color:white;font-size:18px;font-family:"Arial",sans-serif;border-radius:5px;cursor:pointer;transition:background-color .3s ease;margin-bottom:10px}.option-btn:hover{background-color:#5e35b1}.correct{background-color:green!important;color:white}.incorrect{background-color:red!important;color:white}