* {

    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

header{
    position: fixed;
    z-index: 999;
    width: 100%;
    height: 80px;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 80px;
    box-shadow: 0px 2px 25px #87b420;
    
}

.logo{
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
}

.bars{
    display: none;
}

.nav-bar ul{
    display: flex;
}

.nav-bar ul li a{
    display: block;
    color: #212127;
    font-size: 18px;
    padding: 10px 25px;
    border-radius: 15px;
    transition: 0.2s;
    margin: 0 5px;
}

.nav-bar ul li a:hover{
    color: #ffffff;
    background-color: #87b420;
}

@media(max-width:900px) {
    header{
        padding: 0px 30px;
    }

    .bars{
        display: block;
        cursor: pointer;
    }

    .bars .line{
        width: 30px;
        height: 3px;
        background-color: #212127;
        margin: 6px 0%;
        
    }

    .nav-bar{
        height: 0px;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        width: 100dvi;
        background-color: #2e2f34;
        transition: 0.5s;
        overflow:hidden ;
    }

    .nav-bar.active {
        height: 450px;
    }

    .nav-bar ul {
        display: block;
        width: fit-content;
        margin: 80px auto 0 auto;
        text-align: center;
        transition:0.5s;
        opacity: 0;
    }

    .nav-bar.active ul {
        opacity: 1;
    }

    .nav-bar ul li a {
        margin-bottom: 20px;
        color: #ffffff;
    }
}