.a{
    border: 1px solid;
    background-color: bisque;
    height: 70px;
    width: 200px;
    overflow: visible;
}

.b{
    border: 1px solid;
    background-color: lightpink;
    height: 70px;
    width: 200px;
    overflow: hidden;
}

.c{
    border: 1px solid;
    background-color: lightsteelblue;
    height: 70px;
    width: 200px;
    overflow: scroll;
}

.d{
    border: 1px solid;
    background-color: bisque;
    height: 70px;
    width: 300px;
    overflow: auto;
}