items.css

body
{
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
    height: 60vh;
}

ul
{
    position: relative;
    margin: 0;
    padding: 0;
    display: flex;
}

ul li
{
    position: relative;
    list-style: none;
    width: 100px;
    text-align: center;
}

ul li label
{
    position: relative;
}

ul li label i, ul li label input[type="checkbox"]
{
    display: block;
    text-align: center;
}

ul li label i.fa
{
    font-size: 40px;
    color: #222;
    transition: 0.5s;
}

ul li label input[type="checkbox"]
{
    position: absolute;
    cursor: pointer;
}

ul li label .check
{
    position: relative;
    display: block;
    width: 50px;
    height: 50px;
    background: linear-gradient(#000,#333);
    border-radius: 50%;
    margin: 10px auto 0;
    display: flex;
    justify-content: center;
    align-items: center;

}

ul li label .check:before
{
    content: '';
    position: absolute;
    width: 8px;
    height:8px;
    border-radius: 50%;
    background: #ffffff;
    transition: 0.5s;
    z-index: 3;
}
ul li label .check:after
{
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    background: #222;
    border-radius: 50%;
    z-index: 2;
    border: 2px solid #161616;
}

ul li label input[type="checkbox"]:checked ~ .check:before
{
    background: rgba(0, 176,255, 1);
    box-shadow: 0 0 10px rgba(0, 176,255, 1),
                0 0 15px rgba(0, 176,255, 1),
                0 0 20px rgba(0, 176,255, 1),
                0 0 25px rgba(0, 176,255, 1),
                0 0 30px rgba(0, 176,255, 1),
                0 0 2px rgba(0, 176,255, 1);
}
ul li label input[type="checkbox"]:checked ~ i.fa
{
    color: rgba(0, 176,255, 1);
}