grid.css

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: top;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

.container, .container-fluid {
  margin-right: auto;
  margin-left: auto;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/*===============   Fluid grid    ====================*/
.container-fluid [class*="grid_"] {
  float: left;
  width: 8.33333%;
  min-height: 1px;
}

.container-fluid .grid_1 {
  width: 8.33333%;
}

.container-fluid .grid_2 {
  width: 16.66667%;
}

.container-fluid .grid_3 {
  width: 25%;
}

.container-fluid .grid_4 {
  width: 33.33333%;
}

.container-fluid .grid_5 {
  width: 41.66667%;
}

.container-fluid .grid_6 {
  width: 50%;
}

.container-fluid .grid_7 {
  width: 58.33333%;
}

.container-fluid .grid_8 {
  width: 66.66667%;
}

.container-fluid .grid_9 {
  width: 75%;
}

.container-fluid .grid_10 {
  width: 83.33333%;
}

.container-fluid .grid_11 {
  width: 91.66667%;
}

.container-fluid .grid_12 {
  width: 100%;
}

.container-fluid .preffix_1 {
  margin-left: 70px;
}

.container-fluid .preffix_2 {
  margin-left: 140px;
}

.container-fluid .preffix_3 {
  margin-left: 210px;
}

.container-fluid .preffix_4 {
  margin-left: 280px;
}

.container-fluid .preffix_5 {
  margin-left: 350px;
}

.container-fluid .preffix_6 {
  margin-left: 420px;
}

.container-fluid .preffix_7 {
  margin-left: 490px;
}

.container-fluid .preffix_8 {
  margin-left: 560px;
}

.container-fluid .preffix_9 {
  margin-left: 630px;
}

.container-fluid .preffix_10 {
  margin-left: 700px;
}

.container-fluid .preffix_11 {
  margin-left: 770px;
}

.container-fluid .preffix_12 {
  margin-left: 840px;
}

.container, .container-fluid {
  width: 1170px;
}

.container .row {
  padding-left: -30px;
}
.container [class*="grid_"] {
  float: left;
  min-height: 1px;
  padding-left: 30px;
}
.container .grid_1 {
  width: 70px;
}
.container .grid_2 {
  width: 170px;
}
.container .grid_3 {
  width: 270px;
}
.container .grid_4 {
  width: 370px;
}
.container .grid_5 {
  width: 470px;
}
.container .grid_6 {
  width: 570px;
}
.container .grid_7 {
  width: 670px;
}
.container .grid_8 {
  width: 770px;
}
.container .grid_9 {
  width: 870px;
}
.container .grid_10 {
  width: 970px;
}
.container .grid_11 {
  width: 1070px;
}
.container .grid_12 {
  width: 1170px;
}
.container .preffix_1 {
  margin-left: 130px;
}
.container .preffix_2 {
  margin-left: 230px;
}
.container .preffix_3 {
  margin-left: 330px;
}
.container .preffix_4 {
  margin-left: 430px;
}
.container .preffix_5 {
  margin-left: 530px;
}
.container .preffix_6 {
  margin-left: 630px;
}
.container .preffix_7 {
  margin-left: 730px;
}
.container .preffix_8 {
  margin-left: 830px;
}
.container .preffix_9 {
  margin-left: 930px;
}
.container .preffix_10 {
  margin-left: 1030px;
}
.container .preffix_11 {
  margin-left: 1130px;
}
.container .preffix_12 {
  margin-left: 1230px;
}

@media (min-width: 980px) and (max-width: 1199px) {
  .container, .container-fluid {
    width: 940px;
  }

  .container .row {
    padding-left: -20px;
  }
  .container [class*="grid_"] {
    float: left;
    min-height: 1px;
    padding-left: 20px;
  }
  .container .grid_1 {
    width: 60px;
  }
  .container .grid_2 {
    width: 140px;
  }
  .container .grid_3 {
    width: 220px;
  }
  .container .grid_4 {
    width: 300px;
  }
  .container .grid_5 {
    width: 380px;
  }
  .container .grid_6 {
    width: 460px;
  }
  .container .grid_7 {
    width: 540px;
  }
  .container .grid_8 {
    width: 620px;
  }
  .container .grid_9 {
    width: 700px;
  }
  .container .grid_10 {
    width: 780px;
  }
  .container .grid_11 {
    width: 860px;
  }
  .container .grid_12 {
    width: 940px;
  }
  .container .preffix_1 {
    margin-left: 100px;
  }
  .container .preffix_2 {
    margin-left: 180px;
  }
  .container .preffix_3 {
    margin-left: 260px;
  }
  .container .preffix_4 {
    margin-left: 340px;
  }
  .container .preffix_5 {
    margin-left: 420px;
  }
  .container .preffix_6 {
    margin-left: 500px;
  }
  .container .preffix_7 {
    margin-left: 580px;
  }
  .container .preffix_8 {
    margin-left: 660px;
  }
  .container .preffix_9 {
    margin-left: 740px;
  }
  .container .preffix_10 {
    margin-left: 820px;
  }
  .container .preffix_11 {
    margin-left: 900px;
  }
  .container .preffix_12 {
    margin-left: 980px;
  }
}
@media (min-width: 768px) and (max-width: 979px) {
  .container, .container-fluid {
    width: 748px;
  }

  .container .row {
    padding-left: -20px;
  }
  .container [class*="grid_"] {
    float: left;
    min-height: 1px;
    padding-left: 20px;
  }
  .container .grid_1 {
    width: 44px;
  }
  .container .grid_2 {
    width: 108px;
  }
  .container .grid_3 {
    width: 172px;
  }
  .container .grid_4 {
    width: 236px;
  }
  .container .grid_5 {
    width: 300px;
  }
  .container .grid_6 {
    width: 364px;
  }
  .container .grid_7 {
    width: 428px;
  }
  .container .grid_8 {
    width: 492px;
  }
  .container .grid_9 {
    width: 556px;
  }
  .container .grid_10 {
    width: 620px;
  }
  .container .grid_11 {
    width: 684px;
  }
  .container .grid_12 {
    width: 748px;
  }
  .container .preffix_1 {
    margin-left: 84px;
  }
  .container .preffix_2 {
    margin-left: 148px;
  }
  .container .preffix_3 {
    margin-left: 212px;
  }
  .container .preffix_4 {
    margin-left: 276px;
  }
  .container .preffix_5 {
    margin-left: 340px;
  }
  .container .preffix_6 {
    margin-left: 404px;
  }
  .container .preffix_7 {
    margin-left: 468px;
  }
  .container .preffix_8 {
    margin-left: 532px;
  }
  .container .preffix_9 {
    margin-left: 596px;
  }
  .container .preffix_10 {
    margin-left: 660px;
  }
  .container .preffix_11 {
    margin-left: 724px;
  }
  .container .preffix_12 {
    margin-left: 788px;
  }
}
@media (max-width: 767px) {
  .container{
    width: 100%;
    padding: 0;
  }

  .container [class*="grid_"]{
    float: none;
    display: block;
    width: 100%;
    margin-left: 0;
    padding-left: 0;
  }
}
@media (max-width: 479px) {
  body {
    padding: 0;
  }

  .container, .container-fluid {
    width: 300px;
    padding: 0 15px;
  }

  .row {
    margin-left: 0;
    padding-left: 0;
  }
}
.container:before, .container-fluid:before, .row:before, .container:after, .container-fluid:after, .row:after {
  display: table;
  content: "";
  line-height: 0;
}
.container:after, .container-fluid:after, .row:after {
  clear: both;
}