.body {
  margin: auto;
  padding: 0;
  background: rgb(0, 64, 148);
  font-family: sans-serif;
  overflow: hidden;
  /* Evita el scroll vertical */
  display: flex;
  justify-content: center;
  height: 100vh !important;
  /*Altura mínima de la ventana visible */
}

#canvas {
  position: fixed;
  /* Fija el lienzo en la ventana */
  top: 3;
  left: 0;
  z-index: -1;
  /* Coloca el lienzo detrás del contenido */
}

@font-face {
  font-family: "Kabel_Regular";
  src: url('Kabel_Regular.ttf')format("TrueType");
}

.modal-fullscreen{
  width: 100vw;
  max-width: none;
  height: 100%;
  margin: 0;
}

.modal-fullscreen .modal-content {
  height: 100vh;
  border: 0;
  border-radius:0;
}
.contenedor{
  width:90px;
  position:fixed;
  right:10px;
  bottom:0px;
  z-index: 10000;
}
#botonCerrarModal{
  width:60px;
  height:60px;
  border-radius:100%;
  background:#6c757d;
  right:0;
  bottom:0;
  position:absolute;
  margin-right:16px;
  margin-bottom:16px;
  border:none;
  outline:none;
  color:#FFF;
  font-size:36px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  transition:.3s;
}

#botonImprimirCot{
  width:60px;
  height:60px;
  border-radius:100%;
  background:#28a745;
  right:0;
  bottom:70px;
  position:absolute;
  margin-right:16px;
  margin-bottom:16px;
  border:none;
  outline:none;
  color:#FFF;
  font-size:36px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  transition:.3s;
}

#img_convertir{
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #6c757d;
  right: 0;
  bottom: 70px;
  position: absolute;
  margin-right: 16px;
  margin-bottom: 16px;
  border: none;
  outline: none;
  color: #FFF;
  font-size: 36px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  transition: .3s;
  }

.valid-user{
width: 100%;
margin-top: .25rem;
font-size: 80%;
color: #28a745;;
}