WSAD CSS

gistfile1.txt

shadow on box

.scroll-story-banner::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 15px;
    right: 15px;
    width: auto;
    height: 15px;
    background: rgba(0,0,0,.2);
}

gistfile2.txt

Text on link block

.link-block__text {
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    margin: 0;
    padding: 10px 15px;
    background: rgba(0,0,0,0.6);
    font-weight: bold;
}

gistfile3.txt

Centre image inside a box

<div class="country__flag">
  <div class="country__flag__inner">
    <img src="https://images.worldskillsusercontent.org/ws13/ws66/11739/ws13663047-a57f-4f18-b4c5-3ed8052742c3_small" alt="">   </div>
</div>

.country__flag {
    position: relative;
    width: 100%;
    margin-bottom: .5rem;
    height: 0;
    padding-bottom: 100%;
    background: #ccc;
}

.country__flag__inner {
    position: absolute;
    top: 2em;
    bottom: 2em;
    left: 2em;
    right: 2em;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}