.bio-container { width: 100%; margin: 0 auto; padding: 10px; text-align: center; background-color: #f0f0f0; position: fixed; bottom: 0; left: 0; right: 0; font-size: 11px; background: linear-gradient(360deg, rgba(0, 0, 0, 0.7) 0%, rgba(0,0,0,0) 100%); z-index: 9999; } .bio-button { padding: 10px 20px; background-color: black; border: none; border-radius: 50px; cursor: pointer; text-transform: none; font-weight: normal; font-size: 11px; letter-spacing: 0.5px; } .domain { color: #ADADAD; /* Màu chữ cho phần domain */ } .username { color: white; /* Màu chữ cho phần username */ } .signup { color: white; font-weight: 600; }