style.css

body {
    display: ;
    min-height: 100vh;
    background: non;
}

.navigation {
    position: ;
    width: 70px;
    height: 70px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.5s;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.5s;
    transition-delay: 0.8s;
}

.navigation.action {
    width: 200px;
    height: 200px;
    transition-delay: 0s;
}

.navigation span {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 7px;
    height: 7px;
    background: white; /* Remove background */
    border-radius: 50%;
    transform: translate(calc(12px * var(--x)), calc(12px * var(--y)));
    transition: transform 0.5s, width 0.5s, height 0.5s, background 0.5s;
    transition-delay: calc(0.1s * var(--i));
}

.navigation.action span {
    width: 45px;
    height: 45px;
    background: #333849; /* Remove background */
    transform: translate(calc(60px * var(--x)), calc(60px * var(--y)));
}

.navigation span ion-icon {
    transition: 0.5s;
    font-size: 0;
}

.navigation.action span ion-icon {
    font-size: 1.35em;
    color: white;
}

.navigation.action span:hover ion-icon {
    color: #e066b8;
    filter: drop-shadow(0 0 2px #e066b8) drop-shadow(0 0 5px #e066b8) drop-shadow(0 0 15px #e066b8);
}