JSFiddle - React, Tailwind, and code Playground

HTML

<div>art</div>
<div>marketing</div>

CSS

div{
    padding:10px;
    font-size:18px;
    -moz-border-radius:0 5px 5px 0;
    -webkit-border-radius:0 5px 5px 0;
    float:left;
    margin-left:30px;
    margin-top:20px;
    position:relative;
    font-family:verdana;
    color:#fff;
    border:1px solid pink;
    border-left:0;
}

div{
    background: -moz-linear-gradient( top , #83de8f 0%,#3a8c49 100%);
    background: -webkit-linear-gradient( top , #83de8f 0%,#3a8c49 100%);  
}

div:after{
    content:"";
     width:30px;
     height:31px;
     background: -moz-linear-gradient( left top , #83de8f 0%,#3a8c49 100%);
    background: -webkit-linear-gradient( left top , #83de8f 0%,#3a8c49 100%);
     -moz-transform: rotate(45deg);
     -webkit-transform: rotate(45deg);
     display:block;
    position:absolute;
    top:5px;
    left:-15px;
    z-index:-1;
    border:1px solid  pink;
}
div:before{
    content:"";
    width:10px;
    height:10px;
    background:#fff;
    position:absolute;
    top:18px;
    left:-7px;
    -moz-border-radius:5px;
    -webkit-border-radius:5px;
}
@media screen and (-webkit-min-device-pixel-ratio:0) {
div:after{
    width:29px;
     height:29px;
    top:6px;
    left:-15px;
}
}