A8000/src/style.css

:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.ElMessageExtClass {
  font-size: 2.5rem;
  .el-message__content {
    font-size: 1.8rem;
  }
}
.main-content .el-dialog .el-dialog__title {
  --el-dialog-title-font-size: 28px;
  --el-dialog-font-line-height: 30px;
}
.main-content .el-dialog .el-dialog__body {
  --el-dialog-content-font-size: 22px;
}
.main-content .el-dialog .el-dialog__footer .el-button {
  --el-font-size-base: 24px;
  height: 3rem;
  padding: 1rem 2rem;
}
.el-message-box .el-message-box__content {
  --el-messagebox-content-font-size: 22px;
}
.el-message-box .el-message-box__btns .el-button {
  --el-font-size-base: 22px;
  height: 2.5rem;
  padding: 1rem 2rem;
}
a {
  font-weight: 500;
  color: #646cff;
  text-decoration: inherit;
}

a:hover {
  color: #535bf2;
}

body {
  width: 800px;
  height: 1280px;
  margin: 0 auto;
  display: flex;
  place-items: center;
  min-width: 100vw;
  min-height: 100vh;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}

button {
  border: none;
}

.card {
  padding: 2em;
}

#app {
  width: 100vw;
  height: 100%;
  margin: 0 auto;
  text-align: center;
}

@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    background-color: #ffffff;
  }

  a:hover {
    color: #747bff;
  }

  button {
    background-color: #f9f9f9;
  }
}

@media (max-width: 800px) {
  :root {
    font-size: 0.8em;
  }
}

* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}