* {
  margin: 0;
  padding: 0;
}

body {
  position: fixed;
  width: 100%;
  height: 100%;
}

img::selection,
input::selection,
p::selection,
span::selection {
  background: rgba(0, 0, 0, 0);
  user-select: none;
}

#bg {
  position: fixed;
  z-index: -99;
  width: 100%;
  height: 100%;
  background: url(../images/bg.jpg) no-repeat;
  background-size: cover;
}

#content {
  display: flex;
  flex-flow: column;
}

#content .item {
  display: inline-table;
  width: 100px;
  height: 100px;
  margin: 17px 20px;
  padding: 5px 15px;
  box-sizing: border-box;
}

#content .item:hover {
  background: rgba(235, 245, 252, 0.1);
  padding: 4px 14px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-sizing: border-box;
}

#content .item img {
  max-height: 65px;
  max-width: 65px;
}

#content .item p {
  color: #fff;
  font-family: Microsoft Yahei;
  text-align: center;
  text-shadow: 2px 3px 2px #000;
  cursor: default;
}


#taskbar {
  position: fixed;
  bottom: 0;
  height: 50px;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
}

#taskbar #start {
  position: absolute;
  top: 0;
  height: 50px;
  width: 60px;
}

#taskbar #start:hover {
  background: #2e2b2f;
}

#taskbar #start:hover .icon-start {
  margin: 17px 20px;
  background: url(../images/windows_hover.svg) no-repeat;
  height: 16px;
}

#taskbar #start .icon-start {
  margin: 17px 20px;
  background: url(../images/windows.svg) no-repeat;
  height: 16px;
}