.step > .first, .step > .second, .step > .third, .step > .last {
    width:25%;
    height:34px;
}
.step > .four {
    display:none;
}
.step_done.third {
    padding: 8px 10px 6px 10px;
}
.step_done.third.step_done_last {
    padding:unset;
}