.sec-one, .sec-two{
    width: 100%;
    margin: 10px;
    position: relative;
}
.lb{
    height: 200px;
}
.lean{
    width: 3px;
    height: 150px;
    background-color: brown;
    position: absolute;
    top: 90px;
}

label,input,textarea,button{
    display: block;
    margin: 4px;
    width: 100%;
}