html, body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    height: 100%;
    width: 100%;
}

*, * :before, *:after {
    box-sizing: border-box;
}

.container {
    height: 100%;
}

nav {
    height: 10%;
    width: 100%;
    min-height: 60px;
    background: #fff;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 5px 5px #ddd;
    position: fixed;
    z-index: 10;
}

nav h1 {
    left: 9%;
    color: #8ec7f0;
    text-align: center;
    font-size: 1rem;
}

nav ul {
    float: right;
    margin-right: 25px;
    list-style: none;
}

nav ul li {
    display: inline-block;
    line-height: 50px;
    margin: 0 15px;
}

nav ul li a {
    position: relative;
    padding: 5px 0;
    color: #8ec7f0;
    font-size: 0.95rem;
    text-decoration: none;
}

label #sign-one, label #sign-two {
    font-size: 30px;
    color: #8ec7f0;
    align-self: flex-end;
    line-height: 50px;
    margin-right: 30px;
    cursor: pointer;
    ;
    display: none;
    margin: 0;
}

#res-menu {
    display: none;
}

@media (max-width: 600px) {
    label #sign-one {
        display: block;
    }
    nav ul {
        position: fixed;
        width: 100%;
        height: 100vh;
        background: white;
        top: 10%;
        margin: 0;
        padding: 0;
        left: -100%;
        text-align: center;
        transition: .5s;
        z-index: 10;
        max-width: 200px;
        box-shadow: 0 17px 17px #bbb;
        border-top: 1px solid #ddd;
    }
    /* nav {
        z-index: 10;
    } */
    nav ul li {
        display: block;
        margin: 40px 0;
        line-height: 30px;
    }
    nav ul li a {
        font-size: 20px;
    }
    #res-menu:checked~ul {
        left: 0;
    }
    #res-menu:checked~label #sign-one {
        display: none;
    }
    #res-menu:checked~label #sign-two {
        display: block;
    }
}