.header::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:repeating-linear-gradient(104deg,rgb(0 0 0 / 0.75) 0%,rgb(0 0 0 / 0.75) 50%,rgb(0 0 0 / 0) 46%,rgb(0 0 0 / 0) 100%)}@media(max-width:980px){.header::before{background-image:repeating-linear-gradient(104deg,rgb(0 0 0 / 0.75) 0%,rgb(0 0 0 / 0.75) 100%,rgb(0 0 0 / 0) 46%,rgb(0 0 0 / 0) 100%)}}