body{
    margin:0px;
    padding: 0%;

    color:white;
    font-family: Arial, Helvetica, sans-serif;
}

video{
    position:absolute;

    width: 100%;
    margin:0px;
    padding:0%;
}

h1{
    text-align: center;
    color: white;

    font-family: Arial, Helvetica, sans-serif;
}

button{
    margin:10px;
    padding: 0%;
    width: 50px;
    height:50px;
    border-radius: 10px;
}

img{
    padding: 0px;
    margin:0px;

    border-radius: 10px;
}

@keyframes textAp {
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}


.testoappare{
    opacity: 0  ;
    animation:textAp 1s forwards;
    animation-delay: 3.5s;
}