*{
    padding:0;
    margin:0;
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body{
    overflow-x: hidden;

}

.nav{
    display: flex;
    align-items: center;
}   

#header {
    position:fixed;
    top:0;
}
#home{
    margin-top:80px;
}

#close-btn{
    display:none;
}

#responsive-contact{
    display: none;
}

@media screen and (max-width:520px) {
    .nav{
        position: fixed !important;
        top:0;
        right:-100%;
        bottom: 0;
        transition: all 0.3s ease;
        flex-direction: column;
        z-index: 99999;
        background-color: white;
        justify-content: flex-start;
        width:70%;
        min-height:100vh;
        text-align: left;
        align-items: flex-start;
        padding:1rem;
    }

#responsive-contact{
    display: block;
}

    #close-btn{
        display:block;
        position:absolute;
        right:20px;
        top:12px;
    }

    .nav.active{
        right:0;
    }
}