<div class="FABMenu">
        <input type="checkbox" checked/>
        <div class="hamburger">
            <div class="dots"> 
                <span class="first"></span>
                <span class="second"></span>
                <span class="third"></span>
            </div>
        </div>
        <div class="action_items_bar">
            <div class="action_items">
                <span class="first_item"> 
                    <a href="../index.html"><i class="material-icons fa fas fa-home"></i></a>  
                </span>
                <span class="second_item"> 
                    <a href="./HTML.html"><i class="material-icons fa fab fa-html5"></i></a> 
                </span> 
                <span class="third_item"> 
                    <a href="./CSS3.html"><i class="material-icons fa fab fa-css3"></i></a> 
                </span> 
                <span class="fourth_item"> 
                    <a href="#javascript"><i class="material-icons fa fab fa-js"></i></a>
                </span> 
            </div>
        </div>
    </div>                   
                            
                        
                                                
    body{
        display: block;
        position: relative;
        --bs-body-bg: #121230;
        background:var(--bs-body-bg);
        font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
        }
    .material-icons{
        font-weight: normal;
        font-style: normal;
        font-size: 30px;
        display: inline-block;
        color: #fff;
        line-height: 1;
        text-transform: none;
        letter-spacing: normal;
        word-wrap: normal;
        white-space: nowrap;
        direction: ltr;
    }
    .FABMenu{
        position: sticky;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        margin: auto;
        width: 420px;
        height: 50px;
    }
    .FABMenu input{
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-60%, -60%);
        width: 35px;
        height: 35px;
        z-index: 20;
        border-radius: 80px;
        opacity: 0;
        cursor: pointer;
    }
    .hamburger{
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 50px;
        height: 50px;
        background-color: #101041;
        border-radius: 100%;
        box-shadow: 0px 50px 20px rgba(0, 0, 0, 0.15);
        z-index: 10;
        cursor: pointer;
    }
    .hamburger .dots span{
        position: absolute;
        top: 45%;
        width: 6px;
        height: 6px;
        background-color: #fff;
        border-radius: 8px;
        z-index: 20;
        transition: all 0.3s ease-in-out;
    }
    .first{
        margin-left: 0.4em;
    }
    .second{
        margin-left: 1.3em;
    }
    .third{
        margin-left: 2.3em;
    }
    .FABMenu input:checked ~ .hamburger .dots .first {
        top:11px;
        height: 40px;
        transform-origin: top;
        transform: rotate(-45deg);
        transition: all 0.3s ease-in-out;
    }
    .FABMenu input:checked ~ .hamburger .dots .third {
        top: 11px;
        height: 40px;
        transform-origin: top;
        transform: rotate(45deg);
        transition: all 0.3s ease-in-out;
    }
    .action_items_bar{
        position: relative;
        display: flex;
        justify-content: space-around;
        align-items: center;
        top: 8.5%;
        left: 0%;
        width: auto;
        height: 40px;
        background-color: #acaccafa;
        backdrop-filter: blur(10px);
        border-radius: 60px;
        z-index: 5;
        transform: scaleX(0);
        transition: all 0.3s ease-in-out;
    }
    .FABMenu input:checked ~ .action_items_bar{
        transform: scaleX(1);
    }
    .action_items{
        display: flex;
        width: auto;
        gap: 70px;
        margin-left: 40px;
        margin-right: 40px;
        justify-content: space-between;
        align-items: center;
        height: 100%;
    }
    .action_items span{
        width: 40px;
        height: 30px;
        text-align: center;
        opacity: 0;
        transition: all 0.2s ease-in-out;
        cursor: pointer;
    }
    .FABMenu input:checked ~ .action_items_bar .action_items .first_item{
        opacity: 1;
        transition-delay: .45s;
    }
    .FABMenu input:checked ~ .action_items_bar .action_items .second_item{
        opacity: 1;
        transition-delay:.40s;
    }
    .FABMenu input:checked ~ .action_items_bar .action_items .third_item{
        opacity: 1;
        transition-delay:.40s;
    }
    .FABMenu input:checked ~ .action_items_bar .action_items .fourth_item{
        opacity: 1;
        transition-delay:.45s;
    }
    .FABMenu .action_items .first_item i{
        color: #1e87f0;
    }
    .FABMenu .action_items .second_item i{
        color: #df3c0b;
    }
    .FABMenu .action_items .third_item i{
        color: #0d31d1;
    }
    .FABMenu .action_items .fourth_item i{
        color: #dfd110;
    }
    @media only screen and (max-width: 575px){
        .FABMenu{
            width: 350px;
        }
        .action_items {
            gap: 60px;
        }
    }
    .FABMenu .action_items span i:hover{
        color: #cbd0d4;
        transition:  ease 0.6s;
    }