.arm_ribbon_wrap{
    position: unset;
}
.arm_ribbon {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 9;
    --r: .8em;
    width: fit-content;
    border-block: .5em solid #0000;
    clip-path: polygon(100% 0,0 0,0 100%,100% 100%,100% calc(100% - .25em),calc(100% - var(--r)) 50%,100% .25em);
    background: #FF4500 padding-box;
    color: #fff;
    font-size: 18px;
    line-height: 1;
    font-weight: 400;
    padding: 10px 24px 10px 12px;
}

@media screen and (max-width:600px) {

    .arm_ribbon {
        font-size: 14px;
    }

}