blue header outline for roblox by ironloge

/* ==UserStyle==
@name           rainbow header outline for roblox
@namespace      USO Archive
@author         ⠀
@description    `Creates a rainbow outline for the roblox headerPoorly seen  with the light theme`
@version        20220107.13.42
@license        CC0-1.0
@preprocessor   uso
==/UserStyle== */
@-moz-document url-prefix("https://www.roblox.com"), url-prefix("https://web.roblox.com") {
@keyframes header-rainbow {
       0% {
              border-color: #3860ff;
       }
       14% {
              border-color: #3860ff;
       }
       28% {
              border-color: #3860ff;
       }
       42% {
              border-color: #3860ff;
       }
       56% {
              border-color: #3860ff;
       }
       80% {
              border-color: #3860ff;
       }
       94% {
              border-color: #3860ff;
       }
       100% {
              border-color: #3860ff;
       }
}
.rbx-header {
       animation: header-rainbow 13s infinite;
}
}