* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

html{
    font-size: 0;
}
body {
    margin: 0;
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
}

/* Style the top navigation bar */
.roomid {
    overflow: hidden;
    position: relative;
    display: inline-block;
    width: 100%;
}

.headerimg{
    width: 100%;
    display: inline;
}

.headerimg img {
    display: block;
    width: 100%;
    height: auto;
}

.overlay-text {
    position: absolute;
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%);  
    color: #fff; 
    padding: 0px 0px; 
    font-size: 20px; 
    text-align: center;
}

/* Style the content */
.content {
    background: linear-gradient(180deg, #01560B 0%, #13C35A 21%);;
    padding: 0px;/
}

/* Style the footer */
.footer {
    padding: 0px;
}

.buttons{
    position: absolute;
    top: 20%; 
    left: 0%; 
    width: 100%;
    height: 80%;
    color: #fff;
    padding: 0px 0px; 
    font-size: 20px; 
    text-align: center; 
}

.card2 {
    height: 100%;
    width: 100%;
    padding: 10px;
    background: linear-gradient(180deg, #01560B 0%, #13C35A 21%);
  }

  button {

    background: transparent;
    border: none !important;
    font-size:0;
}

.BG_Grad {
	background: linear-gradient(-45deg, #01560B, #13C35A);
	background-size: 200% 200%;
	animation: gradient 15s ease infinite;
	height: 100vh;
}

.passcode {
    background-color: #13C35A;
}

@keyframes gradient {
	0% {
		background-position: 0% 50%;
	}
	50% {
		background-position: 100% 50%;
	}
	100% {
		background-position: 0% 50%;
	}
}