html,
body {
  height: 100%;
  width: 100%;
  /* max-height: 100%;
  max-width: 100%; */
  overflow: hidden;
  position: relative;
  padding: 0px;
  margin: 0px;
  /* overflow-y: auto; */
  /* overscroll-behavior-y: none;
  -webkit-overflow-scrolling: touch; */
}

body {
  background: url(../images/background.jpg) no-repeat center center fixed;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.btn-welcome {
  font-size: 4vw;
  background: black;
  color: #ffed00;
  font-weight: bold;
}
.btn-welcome:hover {
  color: black;
  background: #ffed00;
}

.btn-screenshot {
  font-size: 4vw;
  background: black;
  color: rgb(0, 255, 0);
  font-weight: bold;
}
.btn-screenshot:hover {
  color: black;
  background: rgb(0, 255, 0);
}

.triangles-wrapper {
  position: absolute;
  width: 100vw;
  height: 100vh;
  /* background-color: orange; */
}

.triangles-left {
  position: absolute;
  top: 30px;
  /* left: -50px; */
}
.triangles-right {
  position: absolute;
  top: -30px;
  right: 30px;
  opacity: 0.9;
}

.beton-bullet {
  position: absolute;
  margin-top: 220px;
  height: calc(100vh - 200px);
  width: 100vw;
  background: url(../images/Beton_bulet.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  overflow: none;
}

.content-wrapper {
  position: absolute;
  width: 100vw;
  height: 100vh;
}

.yellow-divider {
  height: 40px;
  width: 100vw;
  background-color: #ffed00;
  margin-top: 180px;
  opacity: 0.8;
}

#rotateNotice {
  overflow: hidden;
  position: absolute;
  height: 100%;
  width: 100%;
  max-height: 100%;
  max-width: 100%;

  background: url(../images/background.jpg) no-repeat center center fixed;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;

  align-items: center;
  justify-content: center;
  display: none;
}

#rotate-message {
  position: absolute;
  width: 100vw;
  bottom: 20%;
  padding-left: 50px;
  padding-right: 50px;
}

.sorting-div {
  background: url(../images/Beton_zwart.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.bg-opdracht {
  background-color: #dd4832;
}
.bg-opdracht2 {
  background-color: rgba(0, 159, 227);
}
.bg-opdracht3 {
  background-color: rgba(105, 0, 141);
}
.bg-opdracht4 {
  background-color: #000;
}

.simple_with_drop {
  display: flex;
  justify-content: space-around;
  list-style-type: none;
  width: 100%;
}
.simple_with_drop li {
  display: inline;
  color: white;
  width: 100%;
  height: 100%;
  text-align: center;
  /* border: 1px solid white; */
}

.disable-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}