style.css

* {
    box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  background: #444;
  height: 100%;
  margin: 0;
  font-family: Arial, Verdana, sans-serif;
}

#main {
  background: #eee;
  border-radius: 5px;
  bottom: 0;
  height: 70%;
  left: 0;
  margin: auto;
  padding: 4% 13%;
  position: absolute;
  right: 0;
  top: 0;
  width: 70%;
}

#wrapper {
  position: relative;
  height: 100%
}

#X {
  width: 250px;
  height: 250px;
  margin: auto;
  box-shadow: 0 1px 3px;
  border-radius: 50%;
  background: url('x.png') center center no-repeat #eee;
}

#content {
  position: absolute;
  bottom: 0;
  width: 100%;
  font-weight: bold;
}

#bar {
  border-radius: 5px;
  height: 10px;
  overflow: hidden;
  box-shadow: 0 0 3px #ccc inset;
}

#load {
  background: #07f;
  height: 100%;
  width: 0%;
}