* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: 'Noto Sans TC', sans-serif;
}

body {
  height: 100vh;
  background: #f5f8fa;
}

html {
  scroll-behavior: smooth;
}

footer {
  background-color: #1d3d64;
  display: flex;
  flex-direction: row;
  justify-content: center;
  color: white;
  padding: 5px 0;
}

#nav-mobile {
  position: fixed;
  background: #174d69;
  height: 100vh;
  width: 100vw;
  z-index: 100;
  top: 0;
  display: flex;
  align-items: center;
}

#nav-mobile .closenav {
  color: #fff;
  position: absolute;
  right: 30px;
  top: 15px;
  font-size: 35px;
  cursor: pointer;
}

#nav-mobile .col-12 {
  text-align: center;
  color: white;
  font-size: 24px;
  padding: 15px;
}

#nav-mobile .col-12 a {
  color: white;
  text-decoration: none;
}

#nav-mobile .col-12 a:hover {
  border-bottom: orange 3px solid;
}