.filter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 4px 7px 4px 0;
    padding: 7px 14px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 999px;
    background-color: rgba(255, 255, 255, .06);
    color: #fff !important;
    font: inherit;
    line-height: 1.2;
    cursor: pointer;
    transition: background-color .2s ease, border-color .2s ease;
}

.filter:hover,
.filter:focus,
.filter.is-active {
    border-color: #c90d0d;
    background-color: #c90d0d;
    color: #fff !important;
    outline: none;
    text-decoration: none;
}