JSFiddle - React, Tailwind, and code Playground

by Dedi Wibisono

HTML

<article class="ticket">
  <header class="ticket__wrapper">
    <div class="ticket__header">
      Gunakan Kupon
    </div>
  </header>
  <div class="ticket__divider">
    <div class="ticket__notch"></div>
    <div class="ticket__notch ticket__notch--right"></div>
  </div>
  <div class="ticket__body">
    <section class="ticket__section">
      <input type="text" placeholder="Kode Kupon" class="kupon">
    </section>
  </div>
</article>

CSS

*,
*::after {
  box-sizing: border-box;
  margin: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: #454f54;
  background-color: #f4f5f6;
}

.ticket {
  display: grid;
  grid-template-rows: auto 1fr auto;
  max-width: 24rem;
}
.ticket__header, .ticket__body {
  padding: 1.25rem;
  background-color: white;
  border: 1px solid #abb5ba;
  box-shadow: 0 2px 4px rgba(41, 54, 61, 0.25);
}
.ticket__header {
  font-size: 1.5rem;
  border-top: 0.25rem solid #dc143c;
  border-bottom: none;
  box-shadow: none;
}
.ticket__wrapper {
  box-shadow: 0 2px 4px rgba(41, 54, 61, 0.25);
  border-radius: 0.375em 0.375em 0 0;
  overflow: hidden;
}
.ticket__divider {
  position: relative;
  height: 1rem;
  background-color: white;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
}
.ticket__divider::after {
  content: '';
  position: absolute;
  height: 50%;
  width: 100%;
  top: 0;
  border-bottom: 2px dashed #e9ebed;
}
.ticket__notch {
  position: absolute;
  left: -0.5rem;
  width: 1rem;
  height: 1rem;
  overflow: hidden;
}
.ticket__notch::after {
  content: '';
  position: relative;
  display: block;
  width: 2rem;
  height: 2rem;
  right: 100%;
  top: -50%;
  border: 0.5rem solid white;
  border-radius: 50%;
  box-shadow: inset 0 2px 4px rgba(41, 54, 61, 0.25);
}
.ticket__notch--right {
  left: auto;
  right: -0.5rem;
}
.ticket__notch--right::after {
  right: 0;
}
.ticket__body {
  border-bottom: none;
  border-top: none;
}
.ticket__body > * + * {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e9ebed;
}
.ticket__section > * + * {
  margin-top: 0.25rem;
}
.ticket__section > h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}
.ticket__header {
  font-weight: bold;
  font-size: 1.25rem;
  display: flex;
  justify-content: space-between;
}

.kupon{
  border-color: white;
  box-shadow:initial;
}