@import url(https://fonts.googleapis.com/earlyaccess/notosanstc.css);#root,body,html {
    height: 100%
}

html {
  height: 100%;
  width: 100%;
}
body {
  background-color: #000000
} 

h1 {
  color: #ffffff
}

footer {
  color: #ffffff
}

form {
  color: #ffffff
}

html, body {
  height: 100vh;
  overflow: hidden;
}

::-webkit-scrollbar {
  display: none;
}

html {
  scrollbar-width: none;
}

:root {
  --taskbar-height: 30px; 
}

body {
  background-image: url("Images/bliss.jpg");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: 100% calc(100% - var(--taskbar-height));
  background-attachment: fixed;
  height: 100vh;
  margin: 0;
}

.start-btn {
  position: absolute;
  left: 0px;
  top: 50%;
  transform: translateY(-50%);
  padding: 0;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1;
}

.start-btn img {
  height: var(--taskbar-height);
  width: auto;
  display: block;
  max-width: none;
}

.tray-icon {
  position: absolute;
  right: 0%;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  width: auto;
  height: var(--taskbar-height);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.tray-icon img {
  height: 100%;
  width: auto;
  display: block;
}

.tray-icon .tray-clock {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 15px;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 11px;
  color: #fff;
  pointer-events: none;
  -webkit-user-select: none;   
  -moz-user-select: none;
  -ms-user-select: none; 
  user-select: none; 
}

.start-btn:hover{
    filter: brightness(110%);
}
.start-btn:active{
    filter: brightness(90%);
}

.viewport { min-height: calc(100vh - var(--taskbar-height)); box-sizing: border-box; }

footer {
  display: flex;
  align-self: flex-end;
  align-items: center;
  justify-content: flex-end;
  color: #fff;
  height: var(--taskbar-height);
  width: 100%;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  background-image: url("Images/taskbar.jpg");
  background-repeat: repeat;
  background-position: center center;
  background-size: contain; 
}