body {
    margin: 0;
}

.container {
    width: 940px;
    margin-right: auto;
    margin-left: auto;
}

.sub-container {
    margin-right: auto;
    margin-left: auto;
    display: table;
}

.row {
    margin-left: -20px;
}

.row:before,
.row:after {
    display: table;
    line-height: 0;
    content: "";
}

.row:after {
    clear: both;
}

.centre {
    margin-right: auto;
    margin-left: auto;
}

[class*="span"] {
    float: left;
    min-height: 1px;
    margin-left: 20px;
}

.column-left {
    padding-right: 50px;
}

.column-right {
    padding-left: 0;
}

.span12 {
    width: 940px;
}

.span11 {
    width: 860px;
}

.span10 {
    width: 780px;
}

.span9 {
    width: 700px;
}

.span8 {
    width: 620px;
}

.span7 {
    width: 540px;
}

.span6 {
    width: 460px;
}

.span5 {
    width: 380px;
}

.span4 {
    width: 300px;
}

.span3 {
    width: 220px;
}

.span2 {
    width: 140px;
}

.span1 {
    width: 60px;
}


@media (min-width: 1200px) {
    .row {
        margin-left: -30px;
    }
    .row:before,
    .row:after {
        display: table;
        line-height: 0;
        content: "";
    }
    .row:after {
        clear: both;
    }
    [class*="span"] {
        margin-left: 30px;
    }
    .container {
        width: 1170px;
    }
    .span12 {
        width: 1170px;
    }
    .span11 {
        width: 1070px;
    }
    .span10 {
        width: 970px;
    }
    .span9 {
        width: 870px;
    }
    .span8 {
        width: 770px;
    }
    .span7 {
        width: 670px;
    }
    .span6 {
        width: 570px;
    }
    .span5 {
        width: 470px;
    }
    .span4 {
        width: 370px;
    }
    .span3 {
        width: 270px;
    }
    .span2 {
        width: 170px;
    }
    .span1 {
        width: 70px;
    }
}

@media (min-width: 768px) and (max-width: 979px) {
    .row {
        margin-left: -20px;
    }
    .row:before,
    .row:after {
        display: table;
        line-height: 0;
        content: "";
    }
    .row:after {
        clear: both;
    }
    [class*="span"] {
        float: left;
        min-height: 1px;
        margin-left: 20px;
    }
    .container {
        width: 724px;
    }
    .span12 {
        width: 724px;
    }
    .span11 {
        width: 662px;
    }
    .span10 {
        width: 600px;
    }
    .span9 {
        width: 538px;
    }
    .span8 {
        width: 476px;
    }
    .span7 {
        width: 414px;
    }
    .span6 {
        width: 352px;
    }
    .span5 {
        width: 290px;
    }
    .span4 {
        width: 228px;
    }
    .span3 {
        width: 166px;
    }
    .span2 {
        width: 104px;
    }
    .span1 {
        width: 42px;
    }
}

@media (max-width: 767px) {
    body {
        padding-right: 20px;
        padding-left: 20px;
    }

    .column-left, .column-right {
        padding: 0;
    }
    .container {
        width: auto;
    }
    .row-fluid {
        width: 100%;
    }
    .row {
        margin-left: 0;
    }
    [class*="span"] {
        display: block;
        float: none;
        width: 100%;
        margin-left: 0;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }
}