.ls-border {
    border: 1px solid rgba(214, 181, 106, 0.18);
    position: relative;
}
.ls-border::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 18px;
    width: 18px;
    height: 18px;
    border-top: 1px solid rgba(214, 181, 106, 0.6);
    border-left: 1px solid rgba(214, 181, 106, 0.6);
}
.ls-border::after {
    content: "";
    position: absolute;
    right: 18px;
    bottom: 18px;
    width: 18px;
    height: 18px;
    border-right: 1px solid rgba(214, 181, 106, 0.6);
    border-bottom: 1px solid rgba(214, 181, 106, 0.6);
}