.border-slide{transition:left .3s ease-in-out,width .3s ease-in-out}.masked-overflow{--mask-width:32px;mask-size:100% 100%;mask-position:0 0;mask-repeat:no-repeat}.masked-overflow.faded-left{mask-image:linear-gradient(to left,#000 calc(100% - var(--mask-width)),transparent)}.masked-overflow.faded-right{mask-image:linear-gradient(to right,#000 calc(100% - var(--mask-width)),transparent)}.masked-overflow.faded-left.faded-right{mask-image:linear-gradient(to right,transparent,#000 var(--mask-width),#000 calc(100% - var(--mask-width)),transparent)}