.bouton {
    background-color: red;
    color: white;
    padding: 10px 20px;
    border: 2px solid black;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    margin: auto;
    font-size: 42px;
    font-family: Arial, Helvetica, sans-serif;
    border-radius: 7%;
}
.bouton:hover {
    background-color: darkred;
}

img
{
    margin: auto;
    width: 70%;
    height: 70%;
  }

p
{text-align: center;
}

body{text-align: center;}

h1 
{
    font-family: Arial, sans-serif; 
    font-size: 36px; 
    color: #a72828; 
    text-align: center; 
    letter-spacing: 2px; 
    background: linear-gradient(to right, #ff6b6b, #ffb86c); 
    -webkit-background-clip: text; 
    color: transparent; 
    margin: 20px 0; 
    padding: 10px;
    border-bottom: 3px solid #ff6b6b; 
}

html{
    background-color: #f6f8fc;
}