.gradient-border { --border-width: 3px; position: relative; display: flex; justify-content: center; align-items: center; width: 100%; //height: 200px; font-family: Lato, sans-serif; font-size: 2.0rem; padding: 10px; text-transform: uppercase; color: white; background: #fff; border-radius: var(--border-width); } .gradient-border::after { position: absolute; content: ""; top: calc(-1 * var(--border-width)); left: calc(-1 * var(--border-width)); z-index: -1; width: calc(100% + var(--border-width) * 2); height: calc(100% + var(--border-width) * 2); background: linear-gradient( 60deg, hsl(224, 85%, 66%), hsl(269, 85%, 66%), hsl(314, 85%, 66%), hsl(359, 85%, 66%), hsl(44, 85%, 66%), hsl(89, 85%, 66%), hsl(134, 85%, 66%), hsl(179, 85%, 66%) ); background-size: 300% 300%; background-position: 0 50%; border-radius: calc(2 * var(--border-width)); animation: moveGradient 4s alternate infinite; } @keyframes moveGradient { 50% { background-position: 100% 50%; } } 👋 AVAILABLE FROM STOCK WITH FREE NEXT DAY DELIVERY Dolby Atmos Smart Speaker The Sonos Era 300 - is a groundbreaking smart speaker that ushers in a new era of audio excellence. Immerse yourself in truly captivating sound, experiencing the excitement of spatial audio with full support for Dolby Atmos. Main Features: Take the spatial audio experience above and beyond Featuring six optimally positioned drivers all around the front, sides, and top to support Dolby Atmos Music, the breakthrough acoustic design projects sound from wall to wall and floor to ceiling, immersing you in every dimension of the song. Listeners can access Dolby Atmos Music via Amazon Music Unlimited and soon Apple Music. An acoustic and aesthetic masterpiece The first-of-its-kind design exquisitely balances sonic performance and visual appeal, precisely angling each driver while looking worthy of display. More sustainable sound Era 300 and Era 100 are made with post consumer recycled (PCR) plastic and packaged in 100% sustainably sourced paper, while also engineered to reduce power consumption with under two watts idle power consumption and a new advanced sleep function. Built to last Designed to live in a home for years, both speakers are built for serviceability by reducing the use of adhesives and transitioning to screws for easy disassembly and repair. Bold, new UI Era 300 and Era 100 feature an intuitive new user interface, including a new capacitive volume slider for simple control that complements quick and private control of music with Sonos Voice Control, the Sonos app, Apple AirPlay 2 and Bluetooth®. Upgraded connectivity Stream all the audio using WiFi or Bluetooth, and directly connect other audio devices such as a turntable using an auxiliary cable and the Sonos Line-in Adapter. Expanding Trueplay to more listeners Using the microphone array in Era 300 and Era 100, Trueplay optimizes the sound for the unique acoustics of a space with just a tap in the Sonos app. Available to both Android and iOS users.