.page-about { color: #777; left: 50%; position: absolute; top: 47%; transform: translate(-50%, -50%); } .about-card { background: #fff; box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.1); margin-top: 30px; min-width: 400px; padding: 30px; } .about-card__content { display: flex; } .about__action { text-align: center; } .about__close-button { border: 0px solid #ddd; background: rgb(5,93,228); background: linear-gradient(0deg, rgba(5,93,228,1) 0%, rgba(76,145,255,1) 100%); color: #fff; cursor: pointer; display: inline-block; font-size: 18px; outline: none; padding: 10px 30px; } .about__copyright { text-align: center; }