Редактирование стиля Wiki направляющих - ткань или скидка с цены?

var open = false;

function Drop(n) {
    var i;
    if (open == false) {
        for (i = n; i < 5; i++) {
            Drp(i)
        }
        open = true
    } else if (open == true) {
        for (i = n; i < 5; i++) {
            Cls(i)
        }
        open = false
    }
}

function Drp(n) {
    var elem = document.getElementsByClassName("menu-con")[n];
    var pos = -1 * window.innerHeight - n * 100;
    var id = setInterval(frame, 5);

    function frame() {
        if (pos >= -10) {
            clearInterval(id);
            elem.style.top = 0 + 'px';
        } else {
            pos += 10;
            elem.style.top = pos + 'px';
        }
    }
}

function Cls(n) {
    var elems = document.getElementsByClassName("menu-con")[n];
    var poss = 0;
    var ids = setInterval(frames, 5);

    function frames() {
        if (poss <= -1 * window.innerHeight) {
            clearInterval(ids);
            elems.style.top = -1 * window.innerHeight + 'px';
        } else {
            poss += -7 - n * 2;
            elems.style.top = poss + 'px';
        }
    }
}

* {
    box-sizing: border-box;
    max-width: 100%;
    font-family: 'PT Sans Narrow', sans-serif;
    font-weight: bold;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    background-image: url(background.png);
    background-color: black;
}

.menu-icon {
    width: 50px;
    height: 50px;
    position: fixed;
    top: 0;
    right: 0;
    margin: 10px 15px;
    transform: scale(0.8);
    padding: 0;
    cursor: pointer;
    z-index: 20
}

.menu-bar {
    width: 50px;
    height: 5px;
    background: rgb(190, 190, 190);
    position: absolute;
    transition: all 0.3s;
    font-weight:bold;
    font-size:50px
}

.menu-bar1 {
    margin-top: 9px
}

.menu-bar2 {
    margin-top: 23px
}

.menu-bar3 {
    margin-top: 37px
}

.menu-icon.hover .menu-bar1 {
    -webkit-transform: rotate(45deg) scaleX(0.7);
    margin-top: 22px;
}

.menu-icon.hover .menu-bar2 {
    opacity: 0
}

.menu-icon.hover .menu-bar3 {
    -webkit-transform: rotate(-45deg) scaleX(0.7);
    margin-top: 22px;
}

.menu {
    width: 100%;
    height: 100%;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
}

.menu-con {
    -webkit-flex-grow: 1;
    flex-basis: 0;
    flex-grow: 1;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-around;
    position: relative;
    top: -100%;
    transition: all 0.5s
}

.menu-con p:before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    opacity: 1;
    background: rgba(0, 0, 0, 0);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
}

.menu-con:hover p:before {
    background: rgba(0, 0, 0, 0.2)
}

.menu-con p {
    height: 20px;
    -webkit-align-self: center;
    color: white;
    font-size: 25px;
    z-index: 2;
    cursor: pointer
}

@media screen and (max-width: 600px) {
    .menu-con {
        min-width: 50%
    }
}

@media screen and (max-width: 350px) {
    .menu-con {
        min-width: 100%
    }
}