.App{text-align:center}.App-logo{height:40vmin;pointer-events:none}@media (prefers-reduced-motion: no-preference){.App-logo{animation:App-logo-spin infinite 20s linear}}.App-header{background-color:#282c34;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:calc(10px + 2vmin);color:#fff}.App-link{color:#61dafb}@keyframes App-logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.quiz-container{width:50%;margin:auto;padding:20px;border:1px solid #ccc;border-radius:10px;box-shadow:0 0 10px #0000001a;text-align:center}.question-section,.options-section{margin-bottom:20px}.option-button{display:block;width:100%;margin:10px 0;padding:10px;border:1px solid #ccc;border-radius:5px;background-color:#f9f9f9;cursor:pointer;transition:background-color .3s}.option-button:hover{background-color:#e0e0e0}.option-button.selected{background-color:#d0d0d0}.next-button{padding:10px 20px;border:none;border-radius:5px;background-color:#007bff;color:#fff;cursor:pointer;transition:background-color .3s}.next-button:disabled{visibility:hidden;cursor:not-allowed}.next-button:hover{background-color:#0056b3}.score-section{font-size:24px;padding-bottom:24px}.navbar-container{background:#333;height:60px;display:flex;justify-content:space-between;align-items:center;padding:0 20px;color:#fff}.nav-links{display:flex;list-style:none}.nav-link{margin:0 15px}.hamburger{display:none;font-size:1.5rem}@media (max-width: 768px){.nav-links{position:absolute;top:60px;left:-100%;width:100%;height:calc(100vh - 60px);background:#333;flex-direction:column;align-items:center;justify-content:center;transition:left .3s ease-in-out}.nav-links.open{left:0}.hamburger{display:block}}.next-button:disabled{opacity:.05;cursor:not-allowed}