@font-face {
  font-family: 'Gummy Candy Demo';
  src: url('GummyCandyDemoRegular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

body {
  background-image: url('superstringfinalbackground.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

img {
  max-width: 100%;
  height: auto;
}

#title {
  position: absolute;   
  top: 0px;
  left: 520px;
  height: 225px;
  width: auto;
}

#book {
  position: absolute;
  top: 400px;
  left: 530px;
  height: 125px;
  width: auto;
}

#cdicon {
  position: absolute;
  top: 200px;
  left: 400px;
  height: 125px;
  width: auto;
}

#theoryicon {
  position: absolute;
  top: 90%;
  left: 5%;
  height: 50px;
  width: auto;
}

#clickhere {
  position: absolute;
  top: 50px;
  right: 240px;
}

#clickhere img {
  position: relative;
  height: auto;
  width: 100px;
}

#dropdown-menu {
  position: absolute;
  display: none;
  background: transparent;
  border: none;
}

.dropdown-image-link {
  position: relative;
  display: inline-block;
  text-align: center;
}

.dropdown-image-link img {
  display: block;
  width: 250px !important;
  height: auto !important;
  max-width: none !important;
  max-height: none !important;
}

.dropdown-image-text {
  white-space: nowrap;
  position: absolute;
  top: 0px;
  left: 18%;
  color: black;
  font-family: 'Gummy Candy Demo', cursive;
  font-size: 1em;
  pointer-events: none; 
  font-stretch: expanded;
}

/* style for mobile */
@media screen and (max-width: 768px) {
  
  body {
  background-image: url('mobilebackground.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
  #title {
    left: 50%;
    top: 0%;
    transform: translateX(-50%);
    height: 100px;
  }

  #book {
    left: 20%;
    top: 45%;
    height: 100px;
  }

  #cdicon {
    left: 60%;
    top: 10%;
    height: 100px;
  }

  #theoryicon {
    top: 90%;
    left: 1%;
    height: 30px;
  }

  #clickhere {
    top: 66.5%;
    right: 36.5%;
  }

  #clickhere img {
  position: relative;
  height: auto;
  width: 70px;
}

  .dropdown-image-link img {
  display: block;
  width: 185px !important;
  height: auto !important;
  max-width: none !important;
  max-height: none !important;
}

.dropdown-image-text {
  white-space: nowrap;
  position: absolute;
  top: 7px;
  left: 18%;
  color: black;
  font-family: 'Gummy Candy Demo', cursive;
  font-size: .8em;
  pointer-events: none; 
  font-stretch: expanded;
}

}