fix header blinking

src/pages/template/Header.tsx

@@ -1,4 +1,3 @@
-import { BASE } from "../../Constants"
 import AccountSvg from "../../assets/account.svg?react"
 import "../../style/template/header.css"
 import { useEffect, useState } from "react"

src/style/template/header.css

@@ -1,3 +1,5 @@
+@import url(../theme/default.css);
+
 #header {
     text-align: center;
     background-color: var(--home-main-color);