*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial, Helvetica, sans-serif;
}

body{

background:url("img/frente.jpg");

background-size:cover;

background-position:center;

background-repeat:no-repeat;

height:100vh;

display:flex;

justify-content:center;

align-items:center;

}

.fondo{

width:100%;

height:100%;

display:flex;

justify-content:center;

align-items:center;

background:rgba(0,0,0,.55);

}

.tarjeta{

width:420px;

background:rgba(255,255,255,.12);

backdrop-filter:blur(10px);

padding:40px;

border-radius:25px;

text-align:center;

box-shadow:0 0 30px rgba(0,0,0,.4);

}

.logo{

width:150px;

border-radius:20px;

margin-bottom:20px;

}

h1{

color:white;

font-size:42px;

margin-bottom:10px;

}

p{

color:white;

font-size:22px;

margin-bottom:35px;

}

button{

width:260px;

padding:18px;

font-size:22px;

border:none;

border-radius:50px;

background:#0f5132;

color:white;

cursor:pointer;

transition:.3s;

margin:8px;

}

button:hover{

background:#198754;

transform:scale(1.05);

}

audio{

display:none;

}