body{
    display: flex;
    margin: 0;
    background-image:url('/~grp4/uploads/technology-785742.jpg');
    background-attachment: fixed;
    background-size: cover;
    background-repeat: no-repeat;
    color: white;
    justify-content: center;
    align-items: center;
    font-family: 'Poppins', sans-serif;
    flex-direction: column;
}

#banniere{
    width: 100%;
    height: 15%;
    position: fixed;
    background-color: black;
    border-top: 3px solid white;
    bottom: 0;
    display: flex;
    justify-content: center;
}

#banniere input::placeholder {
    color: white;
    font-size: 20px;
    font-family: 'Poppins', sans-serif;
    margin-left: 10px;
}





#banniere textarea{
    width:30%;
    color: aliceblue;
    resize: none;
display: flex;
    justify-content: center;
    align-items: center;
   

}
#banniere textarea::placeholder {
    text-align: center;
 
    line-height: 2;
}

#banniere input[type="submit"]{
    width: 10%;
}

#banniere input,#banniere textarea{
    margin: 30px;
    background-color: black;
    border: 3px solid white;
    color: white;
    font-size: 20px;
    font-family: 'Poppins', sans-serif;
    border-radius: 15px;
    transition: 1s;
}


#banniere input[type="submit"]:hover{
    background-color: white;
    color: black;
    transition: 1s;
}


.message{
    margin: 30px;
    box-sizing: border-box;
    padding: 30px;
    border: 3px solid white;
    background-color: rgba(0, 0, 0, 0.474);
    width: 60%;
    border-radius: 15px;
    display: flex;
    align-items: center;
    
}

.message:nth-child(even){
    margin-right: 30%;
}
.message:nth-child(odd){
    margin-left: 30%;
}
#space{
    width: 100%;
    height: 200px;
    background-color: black;
}

.message img{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 20px;
}