body {
  overflow: hidden;
  font-family: "Microsoft YaHei", "Hiragino Sans GB";
  width: 100%;
  height: 100%;
}

#background {
  overflow: hidden;
  z-index: -1;
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  transition-duration: 0.5s;
}

#background-image {
  width: 100%;
  height: 100%;
  background: url(../images/background.jpg) no-repeat;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

#background-info {
  display: block;
  position: fixed;
  right: 80px;
  bottom: 0px;
  margin: 5% 2% 2% 0;
  z-index: 2;
}

#background-info a {
  font-size: 1.2vw;
  text-align: right;
  vertical-align: bottom;
  color: white;
  text-decoration: none;
}

#background-info a:hover {
  color: lightgray;
}

#overlay {
  cursor: pointer;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
  z-index: 1;
}

#inputTrigger {
  position: fixed;
  opacity: 0;
}

#time {
  color: white;
  position: fixed;
  top: 65%;
  bottom: 0;
  left: 0;
  padding: 0 0 5% 2%;
  vertical-align: auto;
  /* Safari */
  -webkit-user-select: none;
  /* Firefox */
  -moz-user-select: none;
  /* IE10+/Edge */
  -ms-user-select: none;
  /* Standard */
  user-select: none;
}

#clock {
  font-size: 6vw;
  font-weight: lighter;
}

#date {
  font-size: 2.6vw;
  font-weight: lighter;
}

#icon {
  filter: invert(1);
  padding: 5px;
}

.send-email {
  position: fixed;
  z-index: 2;
  left: 0;
  bottom: 0;
  margin: 0 0 1.5% 2%;
}

.send-email:hover {
  background-color: rgba(0, 0, 0, 0.25);
}

.internet-1 {
  position: fixed;
  right: 0;
  bottom: 0;
  margin: 0 2% 1.5% 0;
}

#login {
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  position: absolute;
}

#user-input {
  text-align: center;
  position: fixed;
  color: white;
  width: 100%;
  /*height: 100%;*/
  margin: 30vh 0;
}

#profile-icon {
  border-radius: 50%;
  width: 176px;
  height: 160px;
}

#name {
  font-size: 42px;
  font-weight: lighter;
  margin: 1.5vh 0;
}

#usernameWeb {
  height: 34px;
  width: 270px;
  border: none;
  padding: 0 7px;
  margin: 10px 0 0 0;
  -webkit-box-shadow: inset 0px 0px 0px 2px rgba(0, 0, 0, 0.5);
  -moz-box-shadow: inset 0px 0px 0px 2px rgba(0, 0, 0, 0.5);
  box-shadow: inset 0px 0px 0px 2px rgba(0, 0, 0, 0.5);
}

#usernameWeb:hover {
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
}

#usernameWeb:focus {
  outline-width: 0;
}

#pw {
  height: 34px;
  width: 270px;
  border: none;
  padding: 0 7px;
  margin: 10px 0 0 0;
  -webkit-box-shadow: inset 0px 0px 0px 2px rgba(0, 0, 0, 0.5);
  -moz-box-shadow: inset 0px 0px 0px 2px rgba(0, 0, 0, 0.5);
  box-shadow: inset 0px 0px 0px 2px rgba(0, 0, 0, 0.5);
}

#pw:hover {
  -webkit-box-shadow: unset;
  -moz-box-shadow: unset;
  box-shadow: unset;
}

#pw:focus {
  outline-width: 0;
}

#forget,
#options {
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  width: fit-content;
  margin: 20px auto;
}

#forget:hover,
#options:hover {
  color: lightgray;
}

#wrongUsernameWeb {
  display: none;
}

#wrongPassword {
  display: none;
}

#ok-button {
  color: white;
  width: 90px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid black;
}

#ok-button:hover {
  cursor: pointer;
  -webkit-box-shadow: inset 0px 0px 0px 2px rgba(255, 255, 255, 0.5);
  -moz-box-shadow: inset 0px 0px 0px 2px rgba(255, 255, 255, 0.5);
  box-shadow: inset 0px 0px 0px 2px rgba(255, 255, 255, 0.5);
}

#ok-button:focus {
  background-color: rgba(255, 255, 255, 0.25);
}

#ok-button:focus {
  outline-width: 0;
}

#ok-button-border {
  margin: 0 auto;
  width: 100px;
  border: 2px solid white;
}

#bottom-2 {
  position: fixed;
  bottom: 0%;
  right: 0;
  margin: 0 4% 2% 0;
  transform: scale(1.1);
}

.ease-of-access {
  padding: 0 0 2px 3px;
  height: 28px;
  width: auto;
}

.ease-of-access:hover {
  background-color: rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

.power-off:hover {
  background-color: rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

#social-links {
  display: none;
  width: 100px;
  background-color: white;
  z-index: 2;
  position: fixed;
  bottom: 0;
  right: 0;
  margin: 0 7% 40% 0;
}

#social-links.show {
  display: block;
}

#social-links a {
  height: 30px;
  font-size: 12px;
  display: block;
  text-decoration: none;
  color: black;
}

#social-links a:hover {
  background: lightgray;
}

span {
  float: left;
  padding: 6px 0 0 8px;
}

#svg-icons {
  padding: 3px 0 0 10px;
  height: 24px;
  float: left;
}

@media screen and (max-width: 996px) {
  #time {
    padding: 0 0 8% 2%;
  }

  #clock {
    font-size: 12vw;
    font-weight: lighter;
  }

  #date {
    font-size: 4.3vw;
    font-weight: lighter;
  }

  #background-info {
    margin: 0 3% 8.5% 0;
  }

  #background-info a {
    font-size: 1.6vw;
  }

  #bottom-2 {
    margin: 0 4% 4% 0;
  }
}

@media screen and (max-width: 600px) {
  #time {
    padding: 0 0 10% 2%;
  }

  #clock {
    font-size: 12vw;
    font-weight: lighter;
  }

  #date {
    font-size: 4.3vw;
    font-weight: lighter;
  }

  #background-info {
    margin: 0 4% 10.5% 0;
  }

  #background-info a {
    font-size: 2vw;
  }

  #bottom-2 {
    margin: 0 4% 4% 0;
  }
}

@media screen and (max-width: 480px) {
  #time {
    padding: 0 0 24% 4%;
  }

  #clock {
    font-size: 30vw;
    font-weight: lighter;
  }

  #date {
    margin-top: -20px;
    font-size: 8vw;
    font-weight: lighter;
  }

  #background-info {
    left: 0;
    margin: 0 0 15% 4%;
  }

  #background-info a {
    font-size: 3.6vw;
  }

  #user-input {
    margin: 12vh 0;
  }

  #bottom-2 {
    margin: 0 4% 4% 0;
  }
}

@media screen and (max-width: 996px) and (orientation: landscape) {
  #bottom-2 {
    margin: 0 3% 1% 0;
  }
}

@media screen and (max-height: 556px) and (orientation: landscape) {
  #user-input {
    margin-top: -3vh;
    transform: scale(0.75);
  }

  #bottom-2 {
    margin: 0 2% 0 0;
    transform: scale(0.9);
  }
}

@media screen and (min-width: 2560px) {
  .send-email,
  .internet-1 {
    transform: scale(1.5);
  }

  #bottom-2 {
    transform: scale(1.5);
  }

  #user-input {
    margin: 50vh 0;
    transform: scale(1.5);
  }
}

@media screen and (min-width: 3840px) {
  .send-email,
  .internet-1 {
    transform: scale(2.4);
  }

  .send-email {
    margin: 0 0 2% 2.4%;
  }

  .internet-1 {
    margin: 0 2.4% 2% 0;
  }

  #bottom-2 {
    transform: scale(2.4);
    margin: 0 5% 2.4% 0;
  }

  #user-input {
    margin: 96vh 0;
    transform: scale(2.4);
  }
}