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768px){.success-icon{width:60px;height:60px;font-size:2rem}.coupon-header h2{font-size:1.5rem}.coupon-body{padding:2rem 1.5rem}.car-text{font-size:1.1rem}.discount-amount{font-size:3rem}.coupon-code{font-size:1rem}.coupon-code-box{flex-direction:column}.copy-button{width:100%}}.app{min-height:100vh;display:flex;flex-direction:column;background:#f8f9fa}.main-content{flex:1;display:flex;justify-content:center;align-items:center;padding:3rem 2rem;min-height:500px}.footer{background-color:#fff;color:#718096;text-align:center;padding:2rem;margin-top:auto;border-top:1px solid #e2e8f0}.footer p{font-size:.875rem;font-weight:500}@media (max-width: 768px){.main-content{padding:2rem 1rem}.footer{padding:1.5rem}}@media (max-width: 480px){.main-content{padding:1.5rem 1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8f9fa;min-height:100vh;color:#2d3748}#root{min-height:100vh}