:root{--def-white:#e8e8e8;--def-black:#000;--dark-gray:#555;--light-gray:#888}html,body{height:100vh;overflow:hidden}*,:before,:after{box-sizing:border-box;margin:0;padding:0}ul,ol{list-style:none}a{color:inherit;text-decoration:none}img,picture,video,canvas,svg{max-width:100%;display:block}input,button,textarea,select{color:inherit;font:inherit;background:0 0;border:none}button{cursor:pointer}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5}.shelf-main{flex-direction:column;gap:.75em;height:100%;display:flex;overflow-y:auto}@media (min-width:768px){.shelf-main{background-color:var(--def-white);gap:3em;padding-top:.5em}}.shelf-body{background-color:var(--def-white);flex-direction:column;gap:1em;height:100%;display:flex;overflow:hidden}.error-title,.error-desc{color:var(--def-black)}.border-appear{animation:.9s linear forwards borderAppear}@keyframes borderAppear{0%{border-color:#0000}to{border-color:#d6d6d6}}