body {
  background: gainsboro url("/uc/images/bilfinger/img/Startscreen_1920.jpg") no-repeat center center fixed;
  -webkit-background-size: 100% 100%;
  -moz-background-size: 100% 100%;
  -o-background-size: 100% 100%;
  background-size: 100% 100%;
}

.logo {
  display: block;
  margin: 0 auto;
}

.qbox, .qtype {
  background: transparent;
  text-align: center;
}

h1 {
  font-size: 40px;
  font-weight: normal;
  line-height: 1.1;
  color: #fff;
  text-transform: uppercase;
}

h1 strong {
  font-weight: bold;
}

.submitbutton, .submitbutton:hover, .submitbutton:focus, .submitbutton:active {
  position: relative !important;
  top: 50%;
  width: 350px !important;
  margin-top: 5em !important;
  padding: 0 12px !important;
  color: #fff !important;
  font-size: 22px !important;
  border: 0 !important;
  float: none !important;
  text-indent: 0 !important;
  background: #008ad9 !important;
  transition: all 0.5s ease 0s;
  animation-name: bounce;
  transform-origin: center bottom;
  animation: 2s ease 0s normal none infinite running bounce;
}


/********** Tablets **********/

@media (min-width: 480px) and (max-width: 2048px) and (orientation : landscape) and (-webkit-min-device-pixel-ratio: 2) {
  body {
    background: gainsboro url("/uc/images/bilfinger/img/Startscreen_1280.jpg") no-repeat center center fixed;
    -webkit-background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    background-size: 100% 100%;
  }
  
  .container-wrap {
    min-height: 35em !important; 
  }
  
  .qwrap {
    margin-top: 6em;
  }
  
  .submitbutton, .submitbutton:hover, .submitbutton:focus, .submitbutton:active {
    margin-top: 1em !important;
  }
}

@media (min-width: 480px) and (max-width: 2048px) and (orientation : portrait) and (-webkit-min-device-pixel-ratio: 1) {
  body {
    background: gainsboro url("/uc/images/bilfinger/img/Startscreen_1280.jpg") no-repeat center center fixed;
    -webkit-background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    background-size: 100% 100%;
  }
  
  .qwrap {
    margin-top: 8em;
  }
  
  .container-wrap {
    min-height: 50em !important; 
  }
  
  .submitbutton, .submitbutton:hover, .submitbutton:focus, .submitbutton:active {
    margin-top: 3em !important;
  }
}


/********** Smartphones **********/

@media (max-width: 480px) and (orientation : portrait) and (-webkit-min-device-pixel-ratio: 1) {
  body {
    background: gainsboro url("/uc/images/bilfinger/img/Startscreen_1024.jpg") no-repeat center center fixed;
    -webkit-background-size: 100% 100%;
    -moz-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    background-size: 100% 100%;
  }
  
  .container-wrap {
    min-height: 35em !important; 
  }
  
  .qwrap {
    margin-top: 4em;
  }
  
  h1 {
    font-size: 36px;
  }
  
  .submitbutton, .submitbutton:hover, .submitbutton:focus, .submitbutton:active {
    margin-top: 1em !important;
    width: 300px !important;
  }
}