.breadcrumb {
    margin: 1em auto;
    padding: 0;
    font-size: 0;
}

.breadcrumb li {
    display: inline-block;
    /*background: #8a8a8a;*/
    font-size: 19px;
    margin: 0 0 0.5em 0;
    line-height: 200%;
}

@media screen and (max-width: 600px) {
    .breadcrumb li {
        font-size: 14px;
    }
}

.breadcrumb a {
    display: inline-block;
    margin: 0;
    text-decoration: none;
    /*padding-left: 1.5em;*/
    padding-left: 0.5em;
    padding-right: 1.5em;
    color: black;
    /*clip-path: polygon(calc(100% - 1em) 0, 100% 50%, calc(100% - 1em) 100%, 0% 100%, 1em 50%, 0% 0%);*/
    clip-path: polygon(calc(100% - 1em) 0, 100% 50%, calc(100% - 1em) 100%, 0% 100%, 0 50%, 0% 0%);
    display: inline-block;
    background: #e9e9e9;
}

.breadcrumb li:first-child a {
    /*padding-left: 0.5em;*/
    /*clip-path: polygon(calc(100% - 1em) 0, 100% 50%, calc(100% - 1em) 100%, 0% 100%, 0 50%, 0% 0%);*/
}

.breadcrumb li:last-child a {
    /*clip-path: polygon(100% 0, 100% 50%, 100% 100%, 0% 100%, 1em 50%, 0% 0%);*/
    clip-path: none;
    padding-right: 0.5em;
}

.breadcrumb a[class=selected] {
    background-color: yellow;
}