🏗️ First time sync the css & js files from hexo theme NexT

assets/css/_schemes/Muse/_header.scss

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+.custom-logo-image {
+  background: white;
+  margin: 0 auto 10px;
+  max-width: 150px;
+  padding: 5px;
+}
+
+.brand {
+  background: var(--btn-default-bg);
+}
+
+.header-inner {
+  padding-top: 100px;
+
+  @include mobile() {
+    padding-top: 50px;
+  }
+}

assets/css/_schemes/Muse/_layout.scss

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+.main-inner {
+  @include main-container();
+
+  @include mobile() {
+    padding-left: 20px;
+    padding-right: 20px;
+  }
+}
+
+.header-inner, .main-inner, .footer-inner {
+  @include mobile() {
+    width: auto;
+  }
+}
+
+// Page - Container
+// --------------------------------------------------
+.main-inner {
+  padding-bottom: $content-padding-bottom;
+}
+
+.post-block:first-of-type {
+  padding-top: $posts-first-padding;
+
+  @include mobile() {
+    padding-top: $posts-first-padding-mobile;
+  }
+}

assets/css/_schemes/Muse/_menu.scss

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+.site-nav {
+  @include mobile() {
+    padding-top: 30px;
+  }
+}
+
+.main-menu {
+  @include mobile() {
+    border-bottom: 1px solid $grey-lighter;
+    border-top: 1px solid $grey-lighter;
+  }
+}
+
+.menu {
+  @include mobile() {
+    text-align: left;
+  }
+}
+
+.menu .menu-item {
+  @include mobile() {
+    margin: 0 10px;
+  }
+
+  a {
+    border-bottom: 1px solid transparent;
+
+    @include mobile() {
+      padding: 5px 10px;
+    }
+
+    &:hover, &.menu-item-active {
+      background: transparent;
+      border-bottom: 1px solid var(--link-hover-color);
+
+      @include mobile() {
+        border-bottom: 1px dotted $grey-lighter;
+      }
+    }
+  }
+
+  .fa, .fab, .far, .fas {
+    @include tablet-desktop() {
+      display: block;
+      line-height: 2;
+      margin-right: 0;
+      width: 100%;
+    }
+  }
+
+  .badge {
+    background: $gainsboro;
+    color: $black-light;
+    padding: 1px 4px;
+  }
+}

assets/css/_schemes/Muse/_sidebar.scss

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+@if hexo-config('sidebar.position') == 'right' {
+  .sidebar-active {
+    @include desktop() {
+      padding-right: $sidebar-desktop;
+    }
+  }
+
+  .sidebar {
+    right: 0 - $sidebar-desktop;
+
+    .sidebar-active & {
+      right: 0;
+    }
+  }
+} @else {
+  .sidebar-active {
+    @include desktop() {
+      padding-left: $sidebar-desktop;
+    }
+  }
+
+  .sidebar {
+    left: 0 - $sidebar-desktop;
+
+    .sidebar-active & {
+      left: 0;
+    }
+  }
+}
+
+.sidebar {
+  background: $black-deep;
+  bottom: 0;
+  @if not hexo-config('back2top.sidebar') {
+    box-shadow: inset 0 2px 6px black;
+  }
+  position: fixed;
+  top: 0;
+  transition: all $transition-ease-out;
+  width: $sidebar-desktop;
+  z-index: $zindex-2;
+
+  a {
+    border-bottom-color: $black-light;
+    color: $grey-dark;
+
+    &:hover {
+      border-bottom-color: $gainsboro;
+      color: $gainsboro;
+    }
+  }
+}
+
+.links-of-author {
+  &:not(:first-child) {
+    margin-top: 15px;
+  }
+
+  a {
+    border-bottom-color: $black-light;
+    display: inline-block;
+    margin-bottom: 10px;
+    margin-right: 10px;
+    vertical-align: middle;
+
+    @if hexo-config('social_icons.transition') {
+      transition: all $transition-ease;
+    }
+
+    &::before {
+      background: rgb(random(255), random(255), random(255));
+      display: inline-block;
+      margin-right: 3px;
+      transform: translateY(-2px);
+      @include round-icon(4px);
+    }
+  }
+}
+
+.links-of-blogroll-item {
+  @if hexo-config('links_settings.layout') == 'inline' {
+    display: inline-block;
+  }
+  padding: 2px 10px;
+
+  a {
+    box-sizing: border-box;
+    display: inline-block;
+    max-width: 280px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+}

assets/css/_schemes/Muse/_sub-menu.scss

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+.sub-menu {
+  margin: 10px 0;
+
+  .menu-item {
+    display: inline-block;
+  }
+}

assets/css/_schemes/Muse/index.scss

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+@import '_layout';
+@import '_header';
+@import '_menu';
+@import '_sub-menu';
+@import '_sidebar';