gistfile1.txt

.et_pb_fullwidth_header .header-content {
    position: relative;
}

.et_pb_fullwidth_header .header-content:before {
    border: 10px solid #fff;
    content: " ";
    position: absolute;
    left: -100px;
    top: -60px;
    border-right: 0;
    border-bottom: 0;
    width: 130px;
    display: block;
    height: 40px;

}

.et_pb_fullwidth_header .header-content:after {
    position: absolute;
    right: -100px;
    bottom: -10px;
    border: 10px solid #FFF;
    display: block;
    width: 130px;
    height: 40px;
    content: " ";
    border-left: 0;
    border-top: 0;

}