mark::before,mark::after{clip-path:inset(100%);clip:rect(1px, 1px, 1px, 1px);height:1px;overflow:hidden;position:absolute;white-space:nowrap;width:1px}.mark::before,mark::before{content:" [highlight start] "}.mark::after,mark::after{content:" [highlight end] "}.onkyo .onkyo-lead .img-fluid{width:100%}.onkyo h1{margin:4rem auto;text-align:center}.onkyo h2{margin-bottom:1rem}.onkyo .btn-dark{margin-top:2rem}