#{
    margin: 0%;
    padding: 0%;
    box-sizing: border-box;
    font-family: sans-serif;
}
.ecran{
     width: 50%;
    height: 50vh;
    background-image: url();
    background-position: center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
}
body{
    background-color: black;
}
.carte{
    width: 50%;
    max-width: 440px;
    color: aliceblue;
    text-align: center;
    padding: 50px 30px;
    border: 1px solid rgb(rgb(255, 0, 0), hsl(120, 100%, 25%), hsl(240, 100%, 50%));
    background-color: white;
}
img{
    width: 50%;
    border-radius: 50%;
}
h2{
    font-size: 50px;
    font-weight: 600px;
    margin-top: 20px;
    color: black;
}
p{
    font-size: 20px;
    margin: 10px auto;
    max-width: 330px;
    color: black;
}
h3{
    text-decoration: none;
    display: inline-block;
    font-size: 20px;
    font-weight: 700;
    background: white;
    color: black;
    padding: 10px 30px;
    border-radius: 30px;
    margin: 30px 0 10px;
    bottom: auto;
}
header{
    display: flex;
    margin-left: 15px;
    text-decoration: none;
    display: inline-block;
    font-size: 20px;
    font-weight: 700;
    background: white;
    color: black;
    padding: 10px 30px;
    border-radius: 30px;
    margin: 30px 0 10px;
    bottom: auto;
    padding: 5px;
}
div{
    margin: auto;
}
button{
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    background: white;
    padding: 10px 30px;
    border-radius: 30px;
    margin: 30px 0 10px;
    bottom: auto;  
    color: black;
}