    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Poppins', sans-serif;
    }
    
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        background: url('./image/background.jpg') no-repeat;
        background-size: cover;
        background-position: center;
    }
    
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        padding: 20px 100px;
        margin-bottom: 209px;
        /* background: green; */
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 99;
    }
    
    .logo {
        font-size: 1.5em;
        color: white;
        user-select: none;
    }
    
    .navigation a {
        position: relative;
        font-size: 1em;
        color: white;
        text-decoration: none;
        font-weight: 400;
        margin-left: 38px;
    }
    
    .navigation a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -4px;
        width: 100%;
        transform-origin: left;
        height: 2px;
        background: white;
        border-radius: 4px;
        transform: scaleX(0);
        transition: transform .5s;
    }
    
    .navigation a:hover::after {
        /* transform-origin: right; */
        transform: scaleX(1);
    }
    
    .navigation .btnlogin-popup {
        width: 100px;
        height: 40px;
        background: transparent;
        border: 2px solid #fff;
        outline: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 1.2em;
        color: white;
        font-weight: 400px;
        margin-left: 38px;
        transition: .5s;
    }
    
    .navigation .btnlogin-popup:hover {
        background: white;
        color: black;
    }
    
    .wrapper {
        position: relative;
        top: 35px;
        width: 400px;
        height: 450px;
        background: transparent;
        border: 2px solid rgba(255, 255, 255, .5);
        border-radius: 20px;
        backdrop-filter: blur(20px);
        box-shadow: 0 0 35px rgba(0, 0, 0, .5);
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        transform: scale(0);
        transition: transform .5s ease;
    }
    
    .wrapper.active-popup {
        transform: scale(1);
    }
    
    .wrapper.active {
        height: 470px;
    }
    
    .wrapper .form-box {
        width: 100%;
        padding: 40px;
    }
    
    .wrapper .form-box.login {
        /* display: none; */
        transition: transform .18s ease;
        transform: translateX(0);
    }
    
    .wrapper.active .form-box.login {
        transition: none;
        transform: translateX(-400px);
    }
    
    .wrapper .form-box.register {
        position: absolute;
        transition: none;
        transform: translateX(400px);
    }
    
    .wrapper.active .form-box.register {
        /* display: none; */
        transition: transform .18s ease;
        transform: translateX(0);
    }
    
    .wrapper .icon-close {
        position: absolute;
        top: 0;
        right: 0;
        width: 45px;
        height: 45px;
        background: black;
        font-size: 2em;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        border-bottom-left-radius: 20px;
        border-top-right-radius: 20px;
        cursor: pointer;
        z-index: 1;
    }
    
    .form-box h2 {
        font-size: 2em;
        text-align: center;
        color: black;
    }
    
    .input-box {
        position: relative;
        width: 100%;
        height: 50px;
        border-bottom: 2px solid black;
        margin: 30px 0;
    }
    
    .input-box label {
        position: absolute;
        top: 50%;
        left: 5px;
        transform: translateY(-50%);
        font-size: 1em;
        color: black;
        font-weight: 500;
        pointer-events: none;
        transition: .5s;
    }
    
    .input-box input:focus~label,
    .input-box input:valid~label {
        top: -5px;
    }
    
    .input-box input {
        width: 100%;
        height: 100%;
        background: transparent;
        border: none;
        outline: none;
        font-size: 1em;
        color: black;
        font-weight: 400;
        padding: 0 30px 0 5px;
    }
    
    .input-box .icon {
        position: absolute;
        right: 8px;
        font-size: 1.2em;
        color: black;
        line-height: 57px;
    }
    
    .remember-forgot {
        font-size: .9em;
        color: black;
        font-weight: 500;
        margin: -15px 0 15px;
        display: flex;
        justify-content: space-around;
    }
    
    .remember-forgot label input {
        accent-color: black;
        margin-right: 3px;
    }
    
    .remember-forgot a {
        color: black;
        text-decoration: none;
    }
    
    .remember-forgot a:hover {
        text-decoration: underline;
    }
    
    .btn {
        width: 100%;
        height: 45px;
        background-color: black;
        border: none;
        outline: none;
        border-radius: 7px;
        cursor: pointer;
        font-size: 1em;
        color: white;
        font-weight: 500;
    }
    
    .login-register {
        font-size: .9em;
        color: black;
        text-align: center;
        font-weight: 500;
        margin: 25px 0 10px;
    }
    
    .login-register p a {
        color: black;
        text-decoration: none;
        font-weight: 500;
    }
    
    .login-register p a:hover {
        text-decoration: underline;
    }