@media all and (min-width: 0){.dang-ky{width:calc(100% - 60px);background-color:#FFF;margin:20px auto;padding:15px 15px 61px 15px}.dang-ky h1{text-align:center}.dang-ky h2.thong-bao{color:#FF8A00;font-size:20px;padding:20px 0;font-weight:normal}.dang-ky h2 a{text-decoration:none;color:#eb2f06}.dang-ky h3 a{text-decoration:none;color:#2980b9}.dang-ky p{color:#eb2f06;margin-bottom:5px}.dang-ky input[type='text'],.dang-ky input[type='password'],.dang-ky input[type='email']{width:calc(100% - 30px);height:35px;outline:none;font-family:Arial;font-size:17px;padding:0 10px;margin-bottom:20px}.dang-ky input[type='button']{height:35px;outline:none;font-family:Arial;font-size:17px;padding:0 10px;margin-bottom:20px;background-color:#094298;cursor:pointer;border:none;border-radius:5px;color:#FFF;text-transform:uppercase}.dang-ky textarea{width:calc(100% - 30px);font-family:Arial;font-size:17px;padding:10px;resize:none;outline:none}}@media all and (min-width: 521px){.dang-ky{width:520px;padding-left:0;padding-right:0}.dang-ky input[type='text'],.dang-ky input[type='password'],.dang-ky input[type='email']{width:100%}.dang-ky textarea{width:100%}}@media all and (min-width: 1201px){nav ul{display:none}}