style.css

@import url(https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap);*{margin:0;padding:0;box-sizing:border-box}body{background-color:#2f1b55;display:flex;align-items:center;justify-content:center;min-height:100vh;font-family:Poppins,sans-serif}.container{background-color:#dfdada;border-radius:20px;padding:20px}.container h2{font-size:2rem;font-weight:800;text-align:center}.container form .amount{font-size:1.15rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Open Sans','Helvetica Neue',sans-serif}form input{height:2.2rem;width:100%;border-radius:2px;outline:0;border:none;padding-inline:5px;font-size:1.3rem;border:1px solid #372a2a}.form-container{display:flex;margin:30px;align-items:center;justify-content:center;gap:20px}.select-container{display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid #363535;padding-inline:10px;border-radius:5px;width:9rem}.select-container select{height:30px;cursor:pointer;outline:0}.select-container select::-webkit-scrollbar{display:none}.container #converted-rate{text-align:center;font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Open Sans','Helvetica Neue',sans-serif;margin:20px auto;font-size:1.2rem;height:20px}#submit-btn{display:flex;align-items:center;justify-content:center}#submit-btn button{padding:10px;border:none;font-size:1.2rem;background-color:#5f4294;color:#fff;border-radius:20px;padding-inline:30px;cursor:pointer;transition:.2s;height:40px}#submit-btn button:hover{transform:scale(.95)}@media screen and (max-width:430px){body{background-color:#dfdada}.container{width:350px}.container h2{font-size:1.8rem;font-weight:800;text-align:center}.container #converted-rate{margin-top:50px}#submit-btn button{margin-top:50px}}@media screen and (max-width:380px){.container{width:300px}.container h2{font-size:1.5rem;margin-bottom:80px}.form-container{gap:10px}.select-container{gap:5px;padding-inline:10px;width:8rem}.select-container img{max-width:35px!important;height:43px}.select-container select{height:30px}.container #converted-rate{margin-top:50px}#submit-btn button{margin-top:50px}}