@keyframes border-loading-rotate{to{transform:rotate(1turn)}}.border-loading-container{z-index:0;border-radius:inherit;width:100%;height:100%;position:absolute;inset:0;overflow:hidden}.border-loading-container:before{content:"";z-index:-2;background-position:0 0,100% 0,100% 100%,0 100%;background-repeat:no-repeat;background-size:50% 50%,50% 50%;width:200%;height:200%;position:absolute;top:-50%;left:-50%}.border-loading-container.is-loading:before{background-image:linear-gradient(var(--mui-palette-primary-main), var(--mui-palette-primary-dark)),linear-gradient(var(--mui-palette-primary-light), var(--mui-palette-primary-dark));animation:4s linear infinite border-loading-rotate}.border-loading-container:after{content:"";z-index:-1;left:var(--border-width);top:var(--border-width);width:calc(100% - var(--border-width)*2);height:calc(100% - var(--border-width)*2);border-radius:inherit;background:#fff;position:absolute}