.mg-top{
    margin-top: 50px;
}
.posts{
    padding: 40px;
    margin-top: 20px;
    box-shadow: 2px 3px 4px black;
    border-radius: 8px;
}
.btn-send{
    background-color: green;
    color: #fff;
    border: none;
    padding: 10px 40px 10px 40px;
}