Flex pricing card

Flex pricing card.html

html//
<div class="pricing-grid">
  
  <div class="plan plan1">
    <h2>Title</h2>
    <p>Some short description</p>
    
    <ul class="features">
      <li>Feature 1</li>
      <li>Feature 2</li>
      <li>Feature 3</li>
      <li>Feature 4</li>
    </ul>
    <p class="price">50$</p>
    <a href="" class="buy">Buy NOW</a>    
  </div>
  
  <div class="plan plan2">
    <h2>Title 2</h2>
    <p>Some short description Some short description Some short description</p>
    
    <ul class="features">
      <li>Feature 1</li>
      <li>Feature 2</li>
      <li>Feature 3</li>
      <li>Feature 4</li>
    </ul>
    <p class="price">50$</p>
    <a href="" class="buy">Buy NOW</a>    
  </div>
  
  
  <div class="plan plan3">
    <h2>Title 3</h2>
    <p>Some short description</p>
    
    <ul class="features">
      <li>Feature 1</li>
      <li>Feature 2</li>
     
    </ul>
    <p class="price">50$</p>
    <a href="" class="buy">Buy NOW</a>    
  </div>
  
</div>

Flex pricing card.scss

//SCSS
//Default properities
body {
  padding: 30px 0;
}
* {
  font-family: Tahoma;
  line-height: 1.2;
  margin: 0;
  padding: 0;
}

a {
  display: inline-block;
  text-decoration: none;
  transition: .3s all;
  font-weight: bold;
  &:hover {
    background-color: darken(#ff2, 15%);
  }
}
ul {
  list-style: none;
}

h2 {
  text-transform: uppercase;
}

//Pricing Items
.buy {
  border-radius: 5px;
  background-color: #ff2;
  padding: 10px;
  max-width: 50%;
  margin: 0 auto;
}

.features li {
  margin-top: 10px;
  border-bottom: 1px solid red;
}

//Flex-container
.pricing-grid {
  display: flex;
  flex-wrap: wrap;
  max-width: 750px;
  margin: 0 auto;
  border: 1px solid #333;
  align-items: stretch; //default
}



.plan {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  //flex-direction: column;
 
  margin: 10px;
  padding: 10px;
  background-color: rgba(0,0,0,.2);
  text-align: center;
  border-radius: 5px;
}

.plan > * {
  flex: 1;
  flex-basis: 100%;
}

.plan .buy {
  align-self: flex-end;
}