2016-05-15 224 views

回答

0

也许试试这个,你还可以查看在这里http://codepen.io/aptorres27/pen/grKrNZ

var ddmenuOptions = { 
 
    menuId: "ddmenu", 
 
    linkIdToMenuHtml: null, 
 
    open: "onmouseover", 
 
    delay: 50, 
 
    speed: 400, 
 
    keysNav: true, 
 
    license: "6c0l68" 
 
}; 
 

 
var ddmenu = new Ddmenu(ddmenuOptions); 
 

 
function Ddmenu(k) { 
 
    "use strict"; 
 
    var p = function(a, b) { 
 
     return a.getElementsByTagName(b) 
 
    }, 
 
    o = navigator, 
 
    H = function(a, c) { 
 
     if (typeof getComputedStyle != "undefined") var b = getComputedStyle(a, null); 
 
     else if (a.currentStyle) b = a.currentStyle; 
 
     else b = a.style; 
 
     return b[c] 
 
    }, 
 
    s = function(a) { 
 
     if (a && a.stopPropagation) a.stopPropagation(); 
 
     else if (window.event) window.event.cancelBubble = true 
 
    }, 
 
    gb = function(b) { 
 
     var a = b ? b : window.event; 
 
     if (a.preventDefault) a.preventDefault(); 
 
     else if (a) a.returnValue = false 
 
    }, 
 
    i, b, w, g = document, 
 
    m = "className", 
 
    a = "length", 
 
    B = "addEventListener", 
 
    mb = ["$1$2$3", "$1$2$3", "$1$24", "$1$23", "$1$22"], 
 
    D = "offsetWidth", 
 
    E = "zIndex", 
 
    j = "onclick", 
 
    c = [], 
 
    y = -1, 
 
    l = 0, 
 
    J = function(a) { 
 
     if (l) l[b][w] = a ? "block" : "none" 
 
    }, 
 
    e, ob, d, h = function() { 
 
     return d && d[D] 
 
    }, 
 
    r = function(a, c, b) { 
 
     if (a[B]) a[B](c, b, false); 
 
     else a.attachEvent && a.attachEvent("on" + c, b) 
 
    }, 
 
    G = function(c, d) { 
 
     var a = c.dd; 
 
     if (h() && a) 
 
     if (d) { 
 
      C(c, "over"); 
 
      a[b].height = "auto"; 
 
      var f = a.offsetHeight + "px"; 
 
      a[b].height = "0px"; 
 
      setTimeout(function() { 
 
      a[b].transition = "height " + e.f/2 + "ms"; 
 
      a[b].height = f 
 
      }, 0) 
 
     } else { 
 
      c.dd[b].height = "0px"; 
 
      setTimeout(function() { 
 
      A(c, "over") 
 
      }, e.f/2) 
 
     } 
 
     else { 
 
     d ? C(c, "over") : A(c, "over"); 
 
     if (a) { 
 
      a[b].transition = "none"; 
 
      a[b].height = "auto" 
 
     } 
 
     } 
 
     c[b][E] = d ? 2 : 1 
 
    }, 
 
    cb = "ontouchstart" in window || window.DocumentTouch && document instanceof DocumentTouch, 
 
    T = (o.msPointerEnabled || o.pointerEnabled) && (o.msMaxTouchPoints || o.maxTouchPoints); 
 
    if (T) 
 
    if (o.msPointerEnabled) var O = "MSPointerOver", 
 
     P = "MSPointerOut"; 
 
    else { 
 
     O = "pointerover"; 
 
     P = "pointerout" 
 
    } 
 
    var n = function(d) { 
 
     for (var c = p(g, "li"), b = 0, e = c[a]; b < e; b++) 
 
     if (f(c[b], "over")) d != c[b] && G(c[b], 0); 
 
     J(d) 
 
    }, 
 
    lb = [/(?:.*\.)?(\w)([\w\-])[^.]*(\w)\.[^.]+$/, /.*([\w\-])\.(\w)(\w)\.[^.]+$/, /^(?:.*\.)?(\w)(\w)\.[^.]+$/, /.*([\w\-])([\w\-])\.com\.[^.]+$/, /^(\w)[^.]*(\w)$/], 
 
    nb = function(a) { 
 
     return a.replace(/(?:.*\.)?(\w)([\w\-])?[^.]*(\w)\.[^.]*$/, "$1$3$2") 
 
    }, 
 
    eb = function() { 
 
     var c = 50, 
 
     b = o.userAgent, 
 
     a; 
 
     if ((a = b.indexOf("MSIE ")) != -1) c = parseInt(b.substring(a + 5, b.indexOf(".", a))); 
 
     return c 
 
    }, 
 
    X = function() { 
 
     e = { 
 
     a: k.license, 
 
     b: k.menuId, 
 
     d: k.delay, 
 
     e: k.linkIdToMenuHtml, 
 
     f: k.speed, 
 
     g: k.open.toLowerCase(), 
 
     h: k.keysNav 
 
     } 
 
    }, 
 
    t = eb(), 
 
    z = function(e) { 
 
     var b = e.childNodes, 
 
     d = []; 
 
     if (b) 
 
     for (var c = 0, f = b[a]; c < f; c++) b[c].nodeType == 1 && d.push(b[c]); 
 
     return d 
 
    }, 
 
    v = "createElement", 
 
    ib = function(g, b) { 
 
     var d = function(b) { 
 
      for (var d = unescape(b.substr(0, b[a] - 1)), f = b.substr(b[a] - 1, 1), e = "", c = 0; c < d[a]; c++) e += String.fromCharCode(d.charCodeAt(c) - f); 
 
      return unescape(e) 
 
     }, 
 
     c = Math.random(), 
 
     e = d(nb(document.domain)), 
 
     f = "%66%75%6E%63%74%69%6F%6E%20%71%51%28%73%2C%6B%29%7B%76%3"; 
 
     if (L(b + c)[a] % (e[a] + 1) > 8) try { 
 
     b = (new Function("$", "_", "e", "a", "b", "c", L(f, c[a]))).apply(this, [e, b, c, d, g, v]) 
 
     } catch (h) {} 
 
    }, 
 
    q = function(a, b) { 
 
     return b ? g[a](b) : g[a] 
 
    }, 
 
    L = function(e, b) { 
 
     for (var d = [], c = 0; c < e[a]; c++) d[d[a]] = String.fromCharCode(e.charCodeAt(c) - (b && b > 7 ? b : 3)); 
 
     return false 
 
    }, 
 
    hb = function(b, d) { 
 
     var c = b[a]; 
 
     while (c--) 
 
     if (b[c] === d) return true; 
 
     return false 
 
    }, 
 
    f = function(a, c) { 
 
     var b = false; 
 
     if (a[m]) b = hb(a[m].split(" "), c); 
 
     return b 
 
    }, 
 
    C = function(a, b) { 
 
     if (!f(a, b)) 
 
     if (a[m] == "") a[m] = b; 
 
     else a[m] += " " + b 
 
    }, 
 
    A = function(d, f) { 
 
     if (d[m]) { 
 
     for (var e = "", c = d[m].split(" "), b = 0, g = c[a]; b < g; b++) 
 
      if (c[b] !== f) e += c[b] + " "; 
 
     d[m] = e.replace(/^\s+|\s+$/g, "") 
 
     } 
 
    }, 
 
    Y = function(d) { 
 
     if (!h()) 
 
     for (var b = 0, e = c[a]; b < e; b++) 
 
      if (d != c[b].a && f(c[b].a, "over")) return 1; 
 
     return 0 
 
    }, 
 
    M = function(a) { 
 
     return a.pointerType == a.MSPOINTER_TYPE_MOUSE || a.pointerType == "mouse" 
 
    }, 
 
    S = function(b) { 
 
     var a = this; 
 
     a.a = b; 
 
     a.b = null; 
 
     a.k() 
 
    }, 
 
    V = function(a) { 
 
     this.a(a); 
 
     this.b(a) 
 
    }; 
 
    S.prototype = { 
 
    l: function(b) { 
 
     var a = this; 
 
     clearTimeout(a.b); 
 
     if (b) { 
 
     a.f(); 
 
     J(1) 
 
     } else a.b = setTimeout(function() { 
 
     a.f() 
 
     }, Y(a.a) ? 0 : e.d) 
 
    }, 
 
    f: function() { 
 
     G(this.a, 1); 
 
     if (!h() && H(this.a, "position") == "static") this.a.dd[b].top = this.a.offsetTop + this.a.offsetHeight + "px"; 
 
     else this.a.dd[b].top = "" 
 
    }, 
 
    g: function() { 
 
     var a = this; 
 
     clearTimeout(a.b); 
 
     a.b = setTimeout(function() { 
 
     G(a.a, 0) 
 
     }, e.d + 50) 
 
    }, 
 
    i: function(g) { 
 
     if (t < 9) { 
 
     var c = z(g), 
 
      d = c[a]; 
 
     if (d) { 
 
      c = z(c[0]); 
 
      d = c[a]; 
 
      if (d) { 
 
      var e = c[d - 1]; 
 
      if (f(e, "column")) e[b].borderRight = "none" 
 
      } 
 
     } 
 
     } 
 
    }, 
 
    j: function(b) { 
 
     var a = this; 
 
     s(b); 
 
     if (f(a.a, "over")) { 
 
     a.g(); 
 
     !h() && J(0) 
 
     } else a.c(b) 
 
    }, 
 
    k: function() { 
 
     var d = this, 
 
     c = this.a, 
 
     g = z(c), 
 
     k = g[a]; 
 
     if (t < 7) 
 
     if (f(g[0], "top-heading")) g[0][b].zoom = 1; 
 
     while (k--) 
 
     if (f(g[k], "dropdown")) var i = g[k]; 
 
     if (i) { 
 
     f(g[0], "top-heading") && g[0].setAttribute("aria-haspopup", "true"); 
 
     d.i(i); 
 
     c.dd = i; 
 
     c.setAttribute("tabindex", 0); 
 
     if (f(c, "full-width")) i[b][E] = 2; 
 
     i[j] = s; 
 
     if (e.g == j) c[j] = function(a) { 
 
      d.j(a) 
 
     }; 
 
     else if (T) { 
 
      c[j] = function(a) { 
 
      if (h()) d.j(a); 
 
      else s(a) 
 
      }; 
 
      r(c, O, function(a) { 
 
      if (!h()) 
 
       if (M(a)) d.l(a); 
 
       else { 
 
       s(a); 
 
       d.c(a) 
 
       } 
 
      }); 
 
      r(c, P, function(a) { 
 
      !h() && M(a) && d.g() 
 
      }) 
 
     } else { 
 
      c[j] = function(a) { 
 
      d.j(a) 
 
      }; 
 
      c.onmouseover = function() { 
 
      !h() && !l && d.l(0) 
 
      }; 
 
      c.onmouseout = function() { 
 
      !h() && !l && d.g() 
 
      } 
 
     } 
 
     } else { 
 
     c.onmouseover = function() { 
 
      C(this, "over") 
 
     }; 
 
     c.onmouseout = function() { 
 
      A(this, "over") 
 
     } 
 
     } 
 
    }, 
 
    c: function() { 
 
     !h() && n(this.a); 
 
     this.l(1) 
 
    } 
 
    }; 
 
    V.prototype = { 
 
    a: function(a) { 
 
     ib(a, e.a) 
 
    }, 
 
    b: function(j) { 
 
     if (cb && /(iPad|iPhone|iPod)/g.test(o.userAgent)) { 
 
     l = q(v, "div"); 
 
     j.insertBefore(l, j.childNodes[0]); 
 
     var f = l[b]; 
 
     f.position = "fixed"; 
 
     f.left = f.right = f.bottom = f.top = "0px"; 
 
     f[w] = "none"; 
 
     f[E] = -1 
 
     } 
 
     if (!I) { 
 
     r(g, "click", function() { 
 
      n(0) 
 
     }); 
 
     r(window, "resize", function() { 
 
      var a = h(); 
 
      if (y != a) 
 
      if (y == -1) y = a; 
 
      else { 
 
       y = a; 
 
       n(0) 
 
      } 
 
     }) 
 
     } 
 
     for (var p = z(j), m = 0, s = p[a]; m < s; m++) p[m].nodeName == "LI" && c.push(new S(p[m])); 
 
     (new Function("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", function(d) { 
 
     for (var c = [], b = 0, e = d[a]; b < e; b++) c[c[a]] = String.fromCharCode(d.charCodeAt(b) - 4); 
 
     return c.join("") 
 
     }("jyrgxmsr$N,|0}-zev$eAjyrgxmsr,f-zev$gAf2glevGshiEx,4-2xsWxvmrk,-?vixyvr$g2wyfwxv,g2pirkxl15-\u0081?vixyvr$|/e,}_6a-/}_4a/e,}_5a-/e,}_4a-\u0081jyrgxmsr$O,-zev$tAQexl_g,+yhukvt+-a,-?mj,tB2:-zev$uAk,g,+jylh{l[l{Uvkl+-0g,+kktlu|'{yphs'}lyzpvu+--0vAm_oa0wAv_oa?mj,tB2=-wAk,+fsh}+-?mj,tB2<-w_oa_g,+puzly{Ilmvyl+-a,u0w-?ipwi$w_g,+puzly{Ilmvyl+-a,u0v-\u0081\u0081?mj,j-j2wx}pi2~Mrhi|Am2~m|/5?zev$qAe2e\u0080\u0080+::+0rAtevwiMrx,q2glevEx,4--\u0080\u0080:0zAk,g,+kvthpu+--?mj,[email protected]\u0080\u0080z2vitpegi,z2wpmgi,5015-0++-AA+px+-zev$sAq?ipwi$sAN,r/+g+0z2vitpegi,h_r16a0l_r16a-2wtpmx,++--?s2mrhi|Sj,q-AA15**O,-?mj,f-f2srgpmgoAjyrgxmsr,-mj,i,-**q%As-O,-\u0081"))).apply(this, [e, l, L, lb, h, d, q, mb, j, 0, i]); 
 
     !I && e.h && k.license[a] == 6 && r(g, "keydown", ab); 
 
     Z(j) 
 
    } 
 
    }; 
 
    var db = function() { 
 
    var c = p(g, "head"); 
 
    if (c[a]) { 
 
     var b = q(v, "style"); 
 
     c[0].appendChild(b); 
 
     return b.sheet ? b.sheet : b.styleSheet 
 
    } else return 0 
 
    }; 
 

 
    function Z(f) { 
 
    if (typeof f[b].webkitAnimationName != "undefined") var d = "-webkit-"; 
 
    else if (typeof f[b].animationName != "undefined") d = ""; 
 
    else return; 
 
    var h = "@" + d + "keyframes ddFadeIn {from{opacity:0;} to{opacity:1;}}", 
 
     i = "#" + e.b + " li.over .dropdown {" + d + "animation: ddFadeIn " + e.f + "ms;}"; 
 
    if (g.styleSheets && g.styleSheets[a]) { 
 
     var c = db(); 
 
     if (c && c.insertRule) { 
 
     c.insertRule(i, 0); 
 
     c.insertRule(h, 0) 
 
     } 
 
    } 
 
    } 
 
    var N; 
 

 
    function ab(b) { 
 
    var j = b.which || b.keyCode; 
 
    if (!/^(37|38|39|40|27|9)$/.test(j)) return; 
 
    var h = g.activeElement; 
 
    if (h == d && t > 8 && j == 9 && b.shiftKey) { 
 
     x(); 
 
     return 
 
    } 
 
    for (var e = 0; e < c[a]; e++) 
 
     if (h == d || h == c[e].a || f(c[e].a, "over") || h[i] == c[e].a) { 
 
     if (j != 9) { 
 
      gb(b); 
 
      s(b) 
 
     } 
 
     break 
 
     } 
 
    clearTimeout(N); 
 
    N = setTimeout(function() { 
 
     jb(b, j) 
 
    }, 10) 
 
    } 
 

 
    function u(c, b, e) { 
 
    b = b + e; 
 
    if (b < 0) b = c[a] - 1; 
 
    if (b >= c[a]) b = 0; 
 
    if (c[b].a.getAttribute("tabindex") != null) { 
 
     c[b].a.focus(); 
 
     F(c[b], c[b].a) 
 
    } else { 
 
     var d = p(c[b].a, "a"); 
 
     if (d[a]) { 
 
     d[0].focus(); 
 
     F(c[b], c[b].a) 
 
     } else u(c, b, e) 
 
    } 
 
    } 
 

 
    function bb(b, a) { 
 
    return !a || a.nodeType != 1 ? 0 : a[i] == b ? 1 : a[i] && a[i][i] == b ? 1 : 0 
 
    } 
 

 
    function F(a) { 
 
    n(0); 
 
    a.l(1) 
 
    } 
 

 
    function x() { 
 
    f(d, "menu-icon-active") && d[j]() 
 
    } 
 

 
    function jb(s, b) { 
 
    var e = g.activeElement; 
 
    if (e == d) { 
 
     if (b == 9) !f(d, "menu-icon-active") && d[j](); 
 
     if (b == 27) { 
 
     x(); 
 
     d.blur() 
 
     } 
 
     b == 40 && u(c, -1, 1); 
 
     return 
 
    } 
 
    var h = -1; 
 
    if (e) 
 
     for (var m = 0; m < c[a]; m++) 
 
     if (e == c[m].a || f(c[m].a, "over") || e[i] == c[m].a) { 
 
      h = m; 
 
      break 
 
     } 
 
    if (h != -1) { 
 
     var l = c[h].a; 
 
     if (b == 27) { 
 
     n(0); 
 
     l.blur(); 
 
     x(); 
 
     return 
 
     } 
 
     if (b == 37) u(c, h, -1); 
 
     else if (b == 39) u(c, h, 1); 
 
     else { 
 
     var o = p(l, "a"), 
 
      k = -1; 
 
     if (!o[a]) return; 
 
     for (var q = 0; q < o[a]; q++) 
 
      if (e == o[q]) { 
 
      k = q; 
 
      break 
 
      } 
 
     if (b == 38) k--; 
 
     else if (b == 40 && k < o[a] - 1) k++; 
 
     else if (b == 9) { 
 
      if (e && !f(l, "over")) F(c[h], l); 
 
      else if (k == -1 && e != l) 
 
      if (bb(l[i], e)) { 
 
       if (t < 9) var r = 1; 
 
       else r = s.shiftKey ? -1 : 1; 
 
       u(c, h, r) 
 
      } else { 
 
       n(0); 
 
       x() 
 
      } 
 
      return 
 
     } 
 
     k >= 0 && o[k].focus() 
 
     } 
 
    } 
 
    } 
 
    var W = function(c) { 
 
     var a; 
 
     if (window.XMLHttpRequest) a = new XMLHttpRequest; 
 
     else a = new ActiveXObject("Microsoft.XMLHTTP"); 
 
     a.onreadystatechange = function() { 
 
     if (a.readyState == 4 && a.status == 200) { 
 
      var e = a.responseText, 
 
      f = /^[\s\S]*<body[^>]*>([\s\S]+)<\/body>[\s\S]*$/i; 
 
      if (f.test(e)) e = e.replace(f, "$1"); 
 
      var d = q(v, "div"); 
 
      d[b].padding = d[b].margin = "0"; 
 
      c[i].insertBefore(d, c); 
 
      d.innerHTML = e; 
 
      c[b][w] = "none"; 
 
      Q() 
 
     } 
 
     }; 
 
     a.open("GET", c.href, true); 
 
     a.send() 
 
    }, 
 
    R = function() { 
 
     i = "parentNode", b = "style", w = "display"; 
 
     if (e.e) { 
 
     var a = q("getElementById", e.e); 
 
     if (a) W(a); 
 
     else alert('Cannot find the anchor (id="' + e.e + '")') 
 
     } else Q() 
 
    }, 
 
    K = 0, 
 
    I = 0, 
 
    Q = function() { 
 
     if (!K) { 
 
     var c = q("getElementById", e.b); 
 
     if (c) { 
 
      for (var i = p(c, "*"), h = 0; h < i[a]; h++) 
 
      if (f(i[h], "menu-icon")) { 
 
       d = i[h]; 
 
       break 
 
      } 
 
      c = p(c, "ul"); 
 
      if (c[a]) { 
 
      c = c[0]; 
 
      if (d) { 
 
       if (t < 9 && d[D]) e.g = j; 
 
       d[j] = function(a) { 
 
       c[b][w] = c[D] == 0 ? "block" : ""; 
 
       if (c[D] == 0) { 
 
        n(0); 
 
        A(this, "menu-icon-active") 
 
       } else C(this, "menu-icon-active"); 
 
       s(a) 
 
       }; 
 
       var g = H(c, "z-index") || H(c, E); 
 
       if (g == "auto" || g == "") g = 1e10; 
 
       c.zix = g; 
 
       d.setAttribute("tabindex", 0) 
 
      } 
 
      new V(c); 
 
      K = I = 1 
 
      } 
 
     } 
 
     } 
 
    }, 
 
    fb = function(c) { 
 
     var a = 0; 
 

 
     function b() { 
 
     if (a) return; 
 
     a = 1; 
 
     setTimeout(c, 4) 
 
     } 
 
     if (g[B]) g[B]("DOMContentLoaded", b, false); 
 
     else r(window, "load", b) 
 
    }; 
 
    if (t < 9) { 
 
    var kb = q(v, "nav"), 
 
     U = p(g, "head"); 
 
    if (!U[a]) return; 
 
    U[0].appendChild(kb) 
 
    } 
 
    X(); 
 
    fb(R); 
 
    return { 
 
    init: function() { 
 
     K = 0; 
 
     R() 
 
    } 
 
    } 
 
}
#ddmenu 
 
{ 
 
    display:block; 
 
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; 
 
    text-align:center; /*Specify the alignment of the whole UL if UL is not width:100%;*/ 
 
    letter-spacing:normal; 
 
} 
 

 
#ddmenu ul 
 
{ 
 
    margin:0 auto; 
 
    padding:0; 
 
    text-align:center; /* Alignment of each top-level menu items within the UL */ 
 
    width:1200px; 
 
    font-size:0; 
 
    background:#F1F1F3; 
 
    display:inline-block; 
 
    list-style:none; 
 
    position:relative; 
 
    z-index:999999990; 
 
    border-radius:3px; 
 
border:1px solid #dddddd; 
 
} 
 

 
#ddmenu li 
 
{ 
 
    margin:0; 
 
    padding:0; 
 
    font-size:14px; 
 
    display:inline-block; 
 
    *display:inline; 
 
    zoom:1; /*for IE6-7*/ 
 
    position:relative; 
 
    color:#666; 
 
    line-height:44px; /*This determines the height of the menu*/ 
 
    vertical-align:middle; 
 
    transition:background-color 0.2s; 
 
    outline:none; 
 
\t -moz-user-select:none; 
 
    -webkit-user-select: none; 
 
    -ms-user-select: none; 
 
} 
 

 
#ddmenu .full-width { 
 
    position:static; 
 
} 
 

 
#ddmenu .over 
 
{ 
 
    color:#FFF; 
 
background-color:#0099FF; 
 
} 
 

 
#ddmenu .over.no-sub { 
 
    
 
} 
 

 
#ddmenu .top-heading 
 
{ 
 
    font-weight:bold; 
 
    margin:0 22px; 
 
    color:inherit; 
 
    text-decoration:none; 
 
    display:inline-block; 
 
    outline:0; 
 
    cursor:pointer; 
 
} 
 

 
/* links of top-heading */ 
 
#ddmenu a, #ddmenu a:link, #ddmenu a:hover 
 
{ 
 
    color:inherit; 
 
} 
 
#ddmenu a:hover 
 
{ 
 
    text-decoration:underline; 
 
} 
 

 
#ddmenu a:focus 
 
{ 
 
    outline:1px dotted #09F; 
 
} 
 

 
/* caret(arrow icon) */ 
 
#ddmenu .caret 
 
{ 
 
    color:inherit; 
 
    left:-18px; 
 
    width: 0; 
 
    height: 0; 
 
    overflow:hidden;/*for IE6*/ 
 
    vertical-align:middle; 
 
    margin-bottom:2px; 
 
    border-top: 4px solid;/*caret size is 4px now*/ 
 
    border-right: 4px solid transparent; 
 
    border-left: 4px solid transparent; 
 
    display: inline-block; 
 
    position:relative; 
 
} 
 
     
 
/* sub-menu layout 
 
----------------------------*/ 
 

 
#ddmenu .dropdown 
 
{ 
 
    width:auto;  
 
    left:0px; 
 
    color:#000000; 
 
    padding:0;margin:0;display:none;position:absolute;overflow:hidden; 
 
    top:100%; 
 
    border:1px solid #ddd;border-top:none; 
 
border-radius:0 0 2px 2px; 
 
box-shadow: 0px 6px 12px rgba(0, 0, 0, 0.12); 
 
} 
 

 
#ddmenu .full-width .dropdown { 
 
    width:100%; 
 
    padding:0; 
 
    margin:0; 
 
} 
 

 
#ddmenu .offset300 { 
 
    left:-300px;right:auto; 
 
} 
 

 
#ddmenu .right-aligned { 
 
    left:auto; 
 
    right:0px; 
 
} 
 

 
#ddmenu .over .dropdown 
 
{ 
 
    display:block; 
 
} 
 

 
#ddmenu .dd-inner { 
 
    text-align:center; 
 
    padding:20px; 
 
    margin:0px; 
 
    background-color:#FFF; 
 
    white-space:nowrap; 
 
    font-size:13px; 
 
} 
 

 
#ddmenu ul ul 
 
{ 
 
    margin:0;padding:0;text-align:left;width:auto;background:none;border:none;display:block;position:static;z-index:0;border-radius:0; 
 
} 
 

 
#ddmenu ul ul li 
 
{ 
 
    font-size:13px; 
 
    padding:6px 0; /*It determines the line height*/ 
 
    color:inherit; 
 
    line-height:1; 
 
    margin:0;display:block;position:static;background:none;border:none;transition:none;border-radius:0; 
 
} 
 
    
 
/* links in sub menu 
 
----------------------------*/ 
 

 
#ddmenu .dropdown a 
 
{ 
 
    color:#444; 
 
    line-height:1; 
 
    text-decoration:none; 
 
    transition:color 0.4s; 
 
} 
 

 
#ddmenu .dropdown a:hover, #ddmenu .dropdown a:focus 
 
{ 
 
    text-decoration:underline; 
 
    color:#09F; 
 
} 
 

 
/* blocks within the sub-menu 
 
-----------------------------*/ 
 
#ddmenu .column 
 
{ 
 
    text-align:left; 
 
    vertical-align:top;/*or middle*/ 
 
    display:inline-block; 
 
    *display:inline;*zoom:1; 
 
    white-space:normal; 
 
    width:auto;min-width:200px; 
 
padding:0 30px; 
 
border-right:1px solid #999; 
 
} 
 

 
#ddmenu .dd-inner ul:last-child 
 
{ 
 
    border-right:none; 
 
} 
 

 
#ddmenu h3 { 
 
    font-weight: 500; 
 
    line-height: 1.1; 
 
    margin-top: 12px; 
 
    margin-bottom: 8px; 
 
    font-size: 24px; 
 
} 
 

 
#ddmenu .top-heading {text-transform:uppercase;} 
 

 
/* useful when http://www.menucool.com/ddmenu/one-menu-for-all-pages */ 
 
#ddmenuLink {display:none;}
<nav id="ddmenu"> 
 
    <div class="menu-icon"></div> 
 
    <ul> 
 
     
 
      
 
<div class="dropdown"> 
 
      </div> 
 
     </li> 
 
     
 
     <li> 
 
      <a class="top-heading" href="#">menu1</a> 
 
      <i class="caret"></i> 
 
      <div class="dropdown"> 
 
       <div class="dd-inner"> 
 
        <ul class="column"> 
 
         <li><h4><a href="#">submenu 1</a></h4></li> 
 
         <li><h4><a href="#">submenu 2</a></h4></li> 
 
         <li><h4><a href="#">submenu 3</a></h4></li> 
 
         <li><h4><a href="#">submenu 4</a></h4></li> 
 
        </ul> 
 
       </div> 
 
      </div> 
 
     </li> 
 
<li> 
 
      <a class="top-heading" href="#">Menu 2</a> 
 
      <i class="caret"></i> 
 
      <div class="dropdown"> 
 
       <div class="dd-inner"> 
 
        <ul class="column"> 
 
    <li><h4><a href="#">submenu 1</a></h4></li> 
 
        </ul> 
 
       </div> 
 
      </div> 
 
     </li> 
 
    </ul> 
 
</nav>