body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: steelblue;
}

.word {
    font-size: 100px;
    color: linen;
    font-family: monospace;
    font-weight: bold;
    width: 100%;
    display: flex;
    justify-content: center;
    text-transform: uppercase;
    cursor: pointer;
    user-select: none;
}

.word span:first-child,
.word span:last-child {
    color: pink;
}

.word span:not(:first-child):not(:last-child) {
    background-image: radial-gradient(
        circle at center,
        linen 0.05em,
        transparent 0.05em
    );
}