* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
.ecran {
    width: 100%;
    height: 100vh;
    background-image: url(OIP.html);
    background-position: center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    
}
.carte {
    width: 90%;
    max-width: 440px;
    color: rgb(17, 0, 255);
    text-align: center;
    padding: 50px 30px;
    border: 1px solid rgb(38, 28, 167);
    background: rgba(43, 1, 255, 0.253);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.699);
    backdrop-filter: blur(2px) ;
}
.carte img {
    width: 30%;
}
.carte h2 {
    font-size: 20px;
    font-weight: 800px;
    margin-top: 20px;
}
.carte p {
    font-size: 20px;
    max-width: 330px;
    margin: 10px auto;
}
.carte .reseau img {
    width: 40px;
    border-radius: 50%;
    margin: 10px 5px;
    transition: background 0.5s;
}
.carte .reseau img:hover {
    background: green;
}
.button {
    text-decoration: none;
    display: inline-block;
    font-size: 20px;
    font-weight: 700;
    background: rgba(164, 164, 230, 0.37);
    color: white;
    padding: 10px 30px;
    border-radius: 30px;
    margin: 30px 0 10px;
    backdrop-filter: blur(2px) ;
    transition: 0.5s;
}
.button:hover {
    background: green;
    backdrop-filter: blur(2px) ;
}
body{
    display: flex;
}