.chanpin_lunbo{
    width: 100%;
    height: 400px;
    margin-top:80px;  
}
.message_texte{
    width: 100%;
    margin: 0 auto;
    background-color: royalblue;
}
.message_texte>input{
    width: 200px;
    height: 30px;
}
.message_texte>input::placeholder{
    padding-left: 30px;
    box-sizing: border-box;
}
textarea{
width: 100%;
height: 500px;
font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
 
}


textarea::placeholder{
    box-sizing: border-box;
     padding-left: 20px;
     padding-top: 20px;
}


button{
    width: 300px;
    height: 50px;
    background-color: royalblue;
    color: #fff;
    border: none;
}

button:hover{
    background-color: rgb(91, 122, 214);
 
}