<div class="tabs">
        <input type="radio" name="tab" id="html">
        <label for="html"><a href="./HTML.html"><i class="fa fab fa-html5"></i></a></label>
        <input type="radio" name="tab" id="css">
        <label for="css"><a href="./CSS3.html"><i class="fa fab fa-css3"></i></a></label>
        <input type="radio" name="tab" id="home" checked="checked">
        <label for="home"><a href="../index.html"><i class="fas fa-home fa-bounce"></i></a></label>
        <input type="radio" name="tab" id="javascript">
        <label for="javascript"><a href="#javascript"><i class="fa fab fa-js"></i></a></label>
        <input type="radio" name="tab" id="php">
        <label for="php"><a href="#php"><i class="fa fab fa-php"></i></a></label>
        <div class="bubble"></div>
        <div class="liquid">
            <div class="liquid-tab">
                <span class="active"></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;
        }
    
       /* start nav-bar-2 */
       .tabs {
        margin: 20px auto;
        width: 550px;
        height: 75px;
        bottom: 0px;
        left: 50%;
        transform: translate(-50%, 10px);
        display: flex;
        justify-content: center;
        align-items: flex-end;
        position: fixed;
      }
      input {
        display: none;
      }
      label a{
        display: flex;
        justify-content: center;
        align-items: center;
      }
      label {
        cursor: pointer;
        z-index: 2;
        width: 20%;
        top: 0%;
        height: 75px;
        display: flex;
        position: relative;
        justify-content: center;
      }
      label a i {
        color: #ffd300;
        position: absolute;
        font-size: 30px;
        z-index: 4;
        transition: 0.25s 0.12s cubic-bezier(0.18, -0.1, 0.8, 1.6);
      }
      .liquid {
        position: absolute;
        filter: contrast(25);
        width: 100%;
        background: #fff;
        border-radius: 35px;
        overflow: hidden;
        border-style: inset;
      }
      .liquid-tab {
        width: 100%;
        height: 70px;
        background: #000000;
        display: flex;
        justify-content: center;
        filter: blur(15px);
      }
      .active {
        position: absolute;
        left: 25px;
        width: 65px;
        height: 35px;
        background: #fff;
        transition: 0.25s cubic-bezier(0.18, -0.1, 0.8, 1.6);
      }
      .bubble {
        position: absolute;
        width: 60px;
        height: 55px;
        background: #000000;
        top: -30px;
        left: 25px;
        margin: auto;
        z-index: 1;
        border-radius: 30%;
        transition: 0.25s cubic-bezier(0.18, -0.1, 0.8, 1.6);
      }
       #home:checked ~ .bubble,
       #home:checked ~ div div .active{
        left: 44.5%;
       }
       #html:checked ~ .bubble,
       #html:checked ~ div div .active{
        left: 4.5%;
       }
       #css:checked ~ .bubble,
       #css:checked ~ div div .active{
        left: 24.5%;
       }
       #javascript:checked ~ .bubble,
       #javascript:checked ~ div div .active{
        left: 64.5%;
       }
       #php:checked ~ .bubble,
       #php:checked ~ div div .active{
        left: 84.5%;
       }
       input:checked + label {
        top: -40px;
      }
      @media only screen and (max-width:575px){
        .tabs{
          width: 90%;
        }
        .bubble{
          width: 60px;
        }
        label a{
          margin-left: 15px;
        }
      }