#my_iframe {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    border: 0;
}



#logo {
    width: min(300px,20vw); 
    height: auto; 
    position: absolute;
    left: min(10px,1vw);
    top: min(10px,1vw); 
    z-index: 1;
}

#controls {
    position: absolute;
    bottom: 10px;
    display: flex;
    z-index: 2;
}

.btn{
    width: 150px;
    height: 50px;
    border-radius: 10px;
    border:none; 
    margin: 3px;
    background-color: #316cb4;
    transition: background-color 0.2s ease;
    font-size: 15px;
    color: white;
    font-weight: bold;
    box-shadow: rgba(0, 0, 0, 0.351) 0px 10px 8px 0px;
}

.btn:hover{
    background-color: #669cdf;
}



/* CSS */
.button-64 {
  align-items: center;
  background: linear-gradient(90deg, #FDBB2D 0%, #3A1C71 100%);  border: 0;
  border-radius: 8px;
  box-shadow: rgba(151, 65, 252, 0.2) 0 15px 30px -5px;
  box-sizing: border-box;
  color: #FFFFFF;
  display: flex;
  font-family: Phantomsans, sans-serif;
  font-size: 15px;
  justify-content: center;
  line-height: 1em;
  max-width: 100%;
  min-width: 140px;
  padding: 3px;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  white-space: nowrap;
  cursor: pointer;
  margin: 5px;
  transition: width 0.3s ease; 

}

.button-64:hover {
  outline: 0;
}

.button-64 span {
  background-color: rgb(5, 6, 45);
  padding: 16px 24px;
  border-radius: 6px;
  width: 90%;
  transition: 300ms;
}

.button-64:hover span {
    background: none;
}