JSFiddle - React, Tailwind, and code Playground

by Abhay Singh

HTML

<div>
<div style="
">
    <div class="xyz xcc" style="
    width: calc(50% - 10px);
    border: 1px solid #f00;
    height: 100px;
    border-bottom: none;
    position: relative;
    top: 1px;
    background: #fff;
    border-radius: 10px 20px 0 0;
    float: left;
    border:none;
    ">
      23bytes
      <span style="
    position: absolute;
    width: 24px;
    height: 74px;
    right: -7px;
    background: #fff;
    z-index: 99;
"></span>
    </div>
    <div class="xyz xvv rightactive" style="
    width: 50% ;
    border: 1px solid #f00;
    height: 100px;
    border-bottom: none;
    position: relative;
    top: 1px;
    background: #fff;
    border-radius: 10px 20px 0 0;
    float: right;
    ">
      23bytes
    </div>
    <div style="
    width: calc(100% - 2px);
    border: 1px solid #f00;
    height: 50px;
    padding-top:10px;
    float:left;
    ">
      <a href="javascript:;">Abhay</a>
      <a href="javascript:;">Abhay</a>
      <a href="javascript:;">Abhay</a>
    </div>
</div>
    </div>

CSS

.xyz:before {
    content: '';
    width: 100px;
    height: 100px;
    border: 1px solid #f00;
    position: absolute;
    right: -100px;
    border-radius: 0 0 0 32px;
    top: -1px;
    border-top: none;
    border-left: none;
    border-right: none;
    z-index: 1;
}
.xyz:after {
        content: '';
    position: absolute;
    width: 50px;
    height: 30px;
    background: #fff;
    right: -34px;
    bottom: -3px;
}
a {
  display:inline-block;
  width:calc(100% / 3 - 3px);
  text-align:center;
}
.xcc {
  width:calc(50% - 10px);
}
.xcc:before, .xcc:after {
  display:none;
}
.rightactive {
  width:50%;
}
.rightactive:before {
        right: auto;
    border: 1px solid #f00;
    border-radius: 0;
    left: -50px;
    top: 44px;
    border-radius: 40px;
    border-top: none;
    border-left: none;
    border-bottom: none;
    height: 57px;
    width: 50px;
    }
.rightactive:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 39px;
    background: #fff;
    right: auto;
    left: -16px;
    bottom: 0;
}