.inside {
    margin-top: 20px;
    margin-bottom: 20px;
    background: #ededed;
    background: -webkit-gradient(linear, left top, left bottom,color-stop(0%, #f4f4f4), color-stop(100%, #ededed));
    background: -moz-linear-gradient(top, #f4f4f4 0%, #ededed 100%);
    background: -ms-linear-gradient(top, #f4f4f4 0%, #ededed 100%);
}
.inside-full-height {
    /*
    // if you want to give content full height give him height: 100%;
    // with content full height you can't apply margins to the content
    // content full height does not work in ie http://stackoverflow.com/questions/27384433/ie-display-table-cell-child-ignores-height-100
    */
    height: 100%;
    margin-top: 0;
    margin-bottom: 0;
}

/* columns of same height styles */

.row-height {
    display: table;
    table-layout: fixed;
    height: 100%;
    width: 100%;
}
.col-height {
  display: table-cell;
  float: none;
  height: 100%;
}
.col-top {
    vertical-align: top;
}
.col-middle {
    vertical-align: middle;
}
.col-bottom {
    vertical-align: bottom;
}

@media (min-width: 480px) {
    .row-xs-height {
        display: table;
        table-layout: fixed;
        height: 100%;
        width: 100%;
    }
    .col-xs-height {
        display: table-cell;
        float: none;
        height: 100%;
    }
    .col-xs-top {
        vertical-align: top;
    }
    .col-xs-middle {
        vertical-align: middle;
    }
    .col-xs-bottom {
        vertical-align: bottom;
    }
}

@media (min-width: 768px) {
    .row-sm-height {
        display: table;
        table-layout: fixed;
        height: 100%;
        width: 100%;
    }
    .col-sm-height {
        display: table-cell;
        float: none;
        height: 100%;
    }
    .col-sm-top {
        vertical-align: top;
    }
    .col-sm-middle {
        vertical-align: middle;
    }
    .col-sm-bottom {
        vertical-align: bottom;
    }
}

@media (min-width: 992px) {
    .row-md-height {
        display: table;
        table-layout: fixed;
        height: 100%;
        width: 100%;
    }
    .col-md-height {
        display: table-cell;
        float: none;
        height: 100%;
    }
    .col-md-top {
        vertical-align: top;
    }
    .col-md-middle {
        vertical-align: middle;
    }
    .col-md-bottom {
        vertical-align: bottom;
    }
}

@media (min-width: 1200px) {
    .row-lg-height {
        display: table;
        table-layout: fixed;
        height: 100%;
        width: 100%;
    }
    .col-lg-height {
        display: table-cell;
        float: none;
        height: 100%;
    }
    .col-lg-top {
        vertical-align: top;
    }
    .col-lg-middle {
        vertical-align: middle;
    }
    .col-lg-bottom {
        vertical-align: bottom;
    }
}