html, body {
    width: 100%;
    height: 100%;
}
body {
    margin: 0;
    font-family: Lato, Helvetica, Arial, sans-serif;
}

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

a {
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    text-decoration: none;
}


.main {
    background: #ffffff;
    color: #000000;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    width: 100%;
    height: 100%;
}

#output {
    font-size: 50px;
    color: #000000;
    padding: 20px 10px 20px 10px;
    border-bottom: 5px solid #000000;
}
#sec {
    color: #3fb1bc;

}

.input {
    margin-top: 20px;
}
#copy {
    background: none;
    border: none;
    width: 50px;

}

h3 {
    color: #7000ff;
}

.gen {
    display: flex;
}
#input-length {
    background: #ffffff;
    border: solid 1px #000000;
    border-radius: 5px;
    text-align: center;
    padding: 5px 10px;
    font-weight: bold;
    
}



#title {
    margin-top: 1px;
    text-align: center;
    font-size: 65px;
}

#btn {
    margin-top: 20px;
    background: #7000ff;
    border: none;
    color: #fff;
    padding: 10px 20px;
    border-radius: 9.78261px;

}





/* navbar */
#navbar {
    background: white;
    color: rgb(13, 26, 38);
    position: fixed;
    top: 0;
    height: 60px;
    line-height: 60px;
    width: 100vw;
    z-index: 10;
}

.nav-wrapper {
    margin: auto;
    text-align: center;
    width: 70%;
} @media(max-width: 768px) {
    .nav-wrapper {
        width: 90%;
    }
} @media(max-width: 638px) {
    .nav-wrapper {
        width: 100%;
    }
}


.logo {
    float: left;
    margin-left: 28px;
    font-size: 1.5em;
    height: 60px;
    letter-spacing: 1px;
    text-transform: uppercase;
} @media(max-width: 768px) {
    .logo {
        /*       margin-left: 5px; */
    }
}

#navbar ul {
    display: inline-block;
    float: right;
    list-style: none;
    /* margin-right: 14px; */
    margin-top: -2px;
    text-align: right;
    transition: transform 0.5s ease-out;
    -webkit-transition: transform 0.5s ease-out;
} @media(max-width: 640px) {
    #navbar ul {
        display: none;
    }
} @media(orientation: landscape) {
    #navbar ul {
        display: inline-block;
    }
}

#navbar li {
    display: inline-block;
}

#navbar li a {
    color: rgb(13, 26, 38);
    display: block;
    font-size: 0.7em;
    height: 50px;
    letter-spacing: 1px;
    margin: 0 20px;
    padding: 0 4px;
    position: relative;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.5s ease;
    -webkit-transition: all 0.5s ease;
}

#navbar li a:hover {
    /* border-bottom: 1px solid rgb(28, 121, 184); */
    color: rgb(112, 0, 255);
    transition: all 1s ease;
    -webkit-transition: all 1s ease;
}

/* line navbar animation */
#navbar li a:before, #navbar li a:after {
    content: '';
    position: absolute;
    width: 0%;
    height: 1px;
    bottom: -1px;
    background: rgb(13, 26, 38);
}

#navbar li a:before {
    left: 0;
    transition: 0.5s;
}

#navbar li a:after {
    background: rgb(13, 26, 38);
    right: 0;
    /* transition: width 0.8s cubic-bezier(0.22, 0.61, 0.36, 1); */
}

#navbar li a:hover:before {
    background: rgb(13, 26, 38);
    width: 100%;
    transition: width 0.5s cubic-bezier((0.22, 0.61, 0.36, 1));
}

#navbar li a:hover:after {
    background: transparent;
    width: 100%;
    /* transition: 0s; */
}




@media(max-width: 640px) {
    .menuIcon {
        cursor: pointer;
        display: block;
        position: fixed;
        right: 15px;
        top: 20px;
        height: 23px;
        width: 27px;
        z-index: 12;
    }


    .icon-bars {
        background: rgb(13, 26, 38);
        position: absolute;
        left: 1px;
        top: 45%;
        height: 2px;
        width: 20px;
        -webkit-transition: 0.4s;
        transition: 0.4s;
    }

    .icon-bars::before {
        background: rgb(13, 26, 38);
        content: '';
        position: absolute;
        left: 0;
        top: -8px;
        height: 2px;
        width: 20px;
        /*     -webkit-transition: top 0.2s ease 0.3s;
            transition: top 0.2s ease 0.3s; */
        -webkit-transition: 0.3s width 0.4s;
        transition: 0.3s width 0.4s;
    }

    .icon-bars::after {
        margin-top: 0px;
        background: rgb(13, 26, 38);
        content: '';
        position: absolute;
        left: 0;
        bottom: -8px;
        height: 2px;
        width: 20px;
        /*     -webkit-transition: top 0.2s ease 0.3s;
            transition: top 0.2s ease 0.3s; */
        -webkit-transition: 0.3s width 0.4s;
        transition: 0.3s width 0.4s;
    }


    .icon-bars.overlay {
        background: rgb(97, 114, 129);
        background: rgb(183, 199, 211);
        width: 20px;
        animation: middleBar 3s infinite 0.5s;
        -webkit-animation: middleBar 3s infinite 0.5s;
    } @keyframes middleBar {
          0% {width: 0px}
          50% {width: 20px}
          100% {width: 0px}
      } @-webkit-keyframes middleBar {
            0% {width: 0px}
            50% {width: 20px}
            100% {width: 0px}
        }

    .icon-bars.overlay::before {
        background: rgb(97, 114, 129);
        background: rgb(183, 199, 211);
        width: 10px;
        animation: topBar 3s infinite 0.2s;
        -webkit-animation: topBar 3s infinite 0s;
    } @keyframes topBar {
          0% {width: 0px}
          50% {width: 10px}
          100% {width: 0px}
      } @-webkit-keyframes topBar {
            0% {width: 0px}
            50% {width: 10px}
            100% {width: 0px}
        }

    .icon-bars.overlay::after {
        background: rgb(97, 114, 129);
        background: rgb(183, 199, 211);
        width: 15px;
        animation: bottomBar 3s infinite 1s;
        -webkit-animation: bottomBar 3s infinite 1s;
    } @keyframes bottomBar {
          0% {width: 0px}
          50% {width: 15px}
          100% {width: 0px}
      } @-webkit-keyframes bottomBar {
            0% {width: 0px}
            50% {width: 15px}
            100% {width: 0px}
        }


    /* menutoggle */
    .menuIcon.toggle .icon-bars {
        top: 5px;
        transform: translate3d(0, 5px, 0) rotate(135deg);
        transition-delay: 0.1s;
        transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    .menuIcon.toggle .icon-bars::before {
        top: 0;
        transition-delay: 0.1s;
        opacity: 0;
    }

    .menuIcon.toggle .icon-bars::after {
        top: 10px;
        transform: translate3d(0, -10px, 0) rotate(-270deg);
        transition-delay: 0.1s;
        transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    .menuIcon.toggle .icon-bars.overlay {
        width: 20px;
        opacity: 0;
        -webkit-transition: all 0s ease 0s;
        transition: all 0s ease 0s;
    }
}


/*mobile menu */
.overlay-menu {
    background: lightblue;
    color: rgb(13, 26, 38);
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
    padding-right: 15px;
    transform: translateX(-100%);
    width: 100vw;
    height: 100vh;
    -webkit-transition: transform 0.2s ease-out;
    transition: transform 0.2s ease-out;
}

.overlay-menu ul, .overlay-menu li {
    display: block;
    position: relative;
}

.overlay-menu li a {
    display: block;
    font-size: 1.8em;
    letter-spacing: 4px;
    /*   opacity: 0; */
    padding: 10px 0;
    text-align: right;
    text-transform: uppercase;
    -webkit-transition: color 0.3s ease;
    transition: color 0.3s ease;
    /*   -webkit-transition: 0.2s opacity 0.2s ease-out;
      transition: 0.2s opacity 0.2s ease-out; */
}

.overlay-menu li a:hover,
.overlay-menu li a:active {
    color: rgb(28, 121, 184);
    -webkit-transition: color 0.3s ease;
    transition: color 0.3s ease;
}