init

node_modules/element-plus/theme-chalk/src/backtop.scss

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+@use 'mixins/mixins' as *;
+@use 'mixins/var' as *;
+@use 'common/var' as *;
+
+@include b(backtop) {
+  @include set-component-css-var('backtop', $backtop);
+
+  position: fixed;
+  background-color: getCssVar('backtop', 'bg-color');
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  color: getCssVar('backtop', 'text-color');
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 20px;
+  box-shadow: getCssVar('box-shadow', 'lighter');
+  cursor: pointer;
+  z-index: 5;
+
+  &:hover {
+    background-color: getCssVar('backtop', 'hover-bg-color');
+  }
+
+  @include e(icon) {
+    font-size: 20px;
+  }
+}