#secone {
    background-color: #82e0aa;
    padding: 20px;
}
#sectwo {
    background-color: #16482b;
    width: 100%;
    padding: 20px;
    color:white;
}
#secthree {
    background-color: #82e0aa;
    height: 400px;
    padding: 20px;
}