.stm_separator_wrapper {
    position: relative;
}

.stm_separator_style_3 .stm_separator {
    display: block;
    width: 46px;
    height: 5px;
    margin: 0 0 21px;
}

.stm_separator_style_3 .stm_separator:before {
    content: "";
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: #e4e4e4;
    z-index: -1;
}