css button

**** HTML
<div class="title-style2222">商会活动</div>

**** CSS
.title-style2222 {
    background: #ffca00;
    font-weight: 100;
    font-size: 17px;
    padding: 9px 15px;
    display: inline-block;
    position: relative;
    margin-bottom: 20px;
    margin-right: 35px;
    color: #fff;
}
.title-style2222:after {
    content: '';
    position: absolute;
    border-style: solid;
    border-width: 20px 0 18px 15px;
    display: block;
    width: 0;
    z-index: 1;
    margin-top: -19px;
    right: -15px;
    top: 50%;
    border-color: transparent #ffca00;

}