h1
{
    color: rgb(235, 255, 57);
    text-align: center;
    width: 100%;
    font-size: 185%;
    text-decoration: underline;
}

img.batman3
{
    margin-left: 40%;
    margin-right: 40%;
}

body
{
    background-image: url(https://i.pinimg.com/originals/f2/4d/42/f24d42f03f0800dcbdbd57750613af5b.jpg);
    background-repeat: no-repeat;
}

img.batman4
{
    margin-left: 40%;
    margin-right: 40%;
}

img.batman4
{
    margin-left: 35%;
    margin-right: 35%;
    margin-bottom: 5%;
}

p
{
    color: rgb(219, 245, 255);
    font-size: 125%;
    text-align: center;
}

.btn
{
    height: 100px;
    width: 100px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    right: 20px;
    bottom: 20px;
}

.icone
{
    width: 50px;
    cursor: pointer;
}