p {
  margin: 0;
  line-height: 1.5rem;
  margin: .8rem;
  font-size: .9rem;
}

h2 {
  font-size: 2.4rem;
  line-height: 3.6rem;
  margin: 1rem 0;
}

h3 {
  font-size: 1.8rem;
  line-height: 2.4rem;
}

h4 {
  font-size: 1.2rem;
  line-height: 3.6rem;
  margin: 0;
}

code {
    background-color: #f3f3f3;
    padding: 0 .3rem;
    border-radius: 3px;
    font-size: .8rem;
}

.logo {
  object-fit: cover;
}
.logo-large {
  width: 12rem;
  height: 12rem;
}

.logo-small {
  width: 2rem;
  height: 2rem;
}

.logo-box-flex {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.light {
  background-color: #fff;
  color: #333366;
  transition: all 0.5s;
}

.dark {
  background-color: #212121;
  color: #e5e5e5;
  transition: all 0.5s;
}

.card-box {
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  border: 1px solid #d3d3d3;
  border-radius: .5rem;
}

.source-link-box {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  justify-content: center;
  margin: 1rem 0;
}

.source-link {
  color: #bdbdbd;
  font-size: 0.9rem;
  margin: 0 0.4rem;
  font-weight: 300;
}

.source-link:hover {
  font-size: 0.9rem;
  color: #00ccff;
  font-weight: 300;
}

.source-link:visited {
  color: #bdbdbd;
  font-size: 0.9rem;
  font-weight: 300;
}

.text-span {
  line-height: 1.8rem;
  font-size: 1rem;
}

.text-component-desc {
  font-size: 0.9rem;
  margin: 0.4rem;
  line-height: 1.2rem;
}

.text-route {
  color: rgba(0, 153, 255, 0.9);
}

.text-router-link {
  font-size: 0.9rem;
  color: rgb(153, 153, 255);
  line-height: 2rem;
}

.text-router-link:hover {
  font-size: 0.9rem;
  color: rgb(153, 153, 255);
}

.text-router-link:visited {
  color: rgb(153, 153, 255);
  font-size: 0.9rem;
}

.normal-input {
  border-radius: 0.3rem;
  width: 10rem;
  height: 1rem;
  padding: 0.5rem 0.8rem;
  font-size: 0.9rem;
}

.light input::-webkit-input-placeholder {
  color: rgba(0, 0, 0, 0.3);
  font-size: 0.85rem;
}
.light input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: rgba(0, 0, 0, 0.3);
  font-size: 0.85rem;
}
.light input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: rgba(0, 0, 0, 0.3);
  font-size: 0.85rem;
}
.light input:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: rgba(0, 0, 0, 0.3);
  font-size: 0.85rem;
}

.light .normal-input {
  color: #626262;
}

.dark input::-webkit-input-placeholder {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}
.dark input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}
.dark input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}
.dark input:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}

.dark .normal-input {
  color: #dbdbdb;
}

.dark code {
  background-color: #333366;
}

.userinfo-input {
  background-color: transparent;
  border: 1.5px solid #9999ff;
  margin: 0.5rem;
}

.userinfo-input:focus {
  border: 1.5px solid #9999ff;
  outline: none;
}

.normal-btn {
  margin: 0.5rem;
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  border-radius: 0.4rem;
  background-color: transparent;
  cursor: pointer;
  transition: all 0.5s;
}

.theme-ctrl-btn {
  border-color: #ff3399;
  color: #ff3399;
  margin-top: 3rem;
}

.theme-ctrl-btn:active {
  border-color: #ff3399;
}

.router-btn {
  background-color: #9999ff;
  color: #fff;
  border: 0;
}

.router-btn:active {
    border: 0;
}

.router-btn-disabled {
  opacity: 0.4;
}

.router-link {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  border-radius: 0.4rem;
  margin: 1.2rem 0;
}

.router-link div {
  height: 2rem;
  margin: 0 1rem;
}

/* mobile device */
@media screen and (max-width: 480px) {
  html {
    font-size: 14px;
  }

  h2 {
    font-size: 1.8rem;
    line-height: 2.4rem;
  }

  #app main {
    height: device-height;
  }

  .theme-ctrl-btn {
    margin-top: 1.8rem;
  }

  .router-link div {
    width: 6rem;
  }
}