.rz .row {
    min-height: 50px;
    flex: 1;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-around;
    align-content: space-around;
    margin-left: 0;
    margin-right: 0;
}

.rz .content {
    flex: 1;
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-around;
    align-content: space-around;
}

.rz section {
    box-sizing: border-box;
    border-radius: 10px;
    padding: 3px;
    background: #ddd;
    border: 7px solid #fff;
    flex: 1;
    min-width: 30px;
}

.rz main {
    display: flex;
    height: 100%;
    padding-bottom: 70px;
    background: #fff;
}

.row.resizable {
    flex: 0 0 800px;
}

section.resizable {
    flex: 0 0 600px;
}

.resizable {
    position: relative;
}

    .resizable.no-transition {
        transition: none !important;
    }

.rg-right, .rg-left, .rg-top, .rg-bottom {
    display: block;
    width: 14px;
    height: 14px;
    line-height: 14px;
    position: absolute;
    z-index: 1;
    -moz-user-select: -moz-none;
    -ms-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}

    .rg-right span, .rg-left span, .rg-top span, .rg-bottom span {
        position: absolute;
        box-sizing: border-box;
        display: block;
        border: 1px solid #ccc;
    }

    .rg-right span, .rg-left span {
        border-width: 0 1px;
        top: 50%;
        margin-top: -10px;
        margin: -10px 0 0 3.5px;
        height: 20px;
        width: 7px;
    }

    .rg-top span, .rg-bottom span {
        border-width: 1px 0;
        left: 50%;
        margin: 3.5px 0 0 -10px;
        width: 20px;
        height: 7px;
    }

.rg-top {
    cursor: row-resize;
    width: 100%;
    top: 0;
    left: 0;
    margin-top: -7px;
}

.rg-right {
    cursor: col-resize;
    height: 100%;
    right: 0;
    top: 0;
    margin-right: -14px;
}

.rg-bottom {
    cursor: row-resize;
    width: 100%;
    bottom: 0;
    left: 0;
    margin-bottom: -7px;
}

.rg-left {
    cursor: col-resize;
    height: 100%;
    left: 0;
    top: 0;
    margin-left: -14px;
}