fc-ele/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;
}

*{
  /*box-size: border-box;*/
  margin: 0;
  padding: 0;
}
html , body{
  font-size: 16px;
  width: 100%;
  height: 100%;
  /* electron no frame */
  overflow: hidden;
}

#app {
  width: calc( 100% - 10px);
  height:  calc( 100% - 10px);
  box-sizing: border-box;
  margin: 5px;
}

a {
  font-weight: 500;
  color: #646cff;
  text-decoration: inherit;
}
a:hover {
  color: #535bf2;
}



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

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}
button:hover {
  border-color: #646cff;
}
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}





@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    /*background-color: #ffffff;*/
  }
  a:hover {
    color: #747bff;
  }
  button {
    background-color: #f9f9f9;
  }
}