style.css

html {
    font-size: 10px;
}
body {
    background: #00fffa;
    font-family: 'monospace', 'sans-serif';
    font-weight: 200;
    font-size: 20px;
}
.words {
    max-width:500px;
    margin:50px auto;
    background:white;
    border-radius:15px;
    box-shadow:10px 10px 0 rgba(0,0,0,0.1);
    padding:1rem 2rem 1rem 5rem;
    background: -webkit-gradient(linear, 0 0, 0 100%, from(#d9eaf3), color-stop(4%, #fff)) 0 4px;
    background-size: 100% 3rem;
    position: relative;
    line-height:3rem;
}
p {
    margin: 0 0 2rem;
}
.words:before {
    content: '';
    position: absolute;
    width: 4px;
    top: 0;
    left: 30px;
    bottom: 0;
    border: 1px solid;
    border-color: transparent #efe4e4;
}