body{font-family:Arial,sans-serif}.gpn-phone-number-generator{width:100%;max-width:400px;margin:50px auto;padding:20px;background-color:#fff;border-radius:8px;box-shadow:0 4px 10px rgba(0,0,0,.1);z-index:1000;position:relative}.gpn-title{font-size:24px;text-align:center;color:#0072bc;margin-bottom:20px}.gpn-label{margin-top:10px;display:block}.gpn-select{width:100%;padding:10px;margin:10px 0;border:1px solid #ccc;border-radius:4px;font-size:16px}.gpn-button{width:100%;padding:10px;background-color:red;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color .3s}.gpn-button:hover{background-color:#c00}.gpn-result-title{font-size:20px;text-align:center;margin-top:20px}.gpn-result{font-size:18px;text-align:center;margin-top:10px;color:#333}