.top-nav {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    background-color: var(--primary-color);
    color: white;
    height: 27px;
    padding: 24px;
  }
  
.menu {
    display: flex;
    flex-direction: row;
    list-style-type: none;
    padding: 0;
    margin-left: auto;
    margin-right: auto;
}

.menu li a {
    font-weight: bold;
    font-size: 20px;
    color: white;
    text-decoration: none;
}

.menu li a:hover, footer ul li a:hover {
    color: rgb(180, 0, 0);
}

.menu li a:active, footer ul li a:active {
    color: rgb(180, 0, 0);
}

.menu > li {
    margin: 0 1rem;
    overflow: hidden;
}
  
.menu-button-container {
    display: none;
    height: 100%;
    width: 30px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
  
#menu-toggle {
    display: none;
}
  
.menu-button,
.menu-button::before,
.menu-button::after {
    display: block;
    background-color: #fff;
    position: absolute;
    height: 4px;
    width: 30px;
    transition: transform 400ms cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: 2px;
}
  
.menu-button::before {
    content: '';
    margin-top: -8px;
}
  
.menu-button::after {
    content: '';
    margin-top: 8px;
}
  
#menu-toggle:checked + .menu-button-container .menu-button::before {
    margin-top: 0px;
    transform: rotate(405deg);
}
  
#menu-toggle:checked + .menu-button-container .menu-button {
    background: rgba(255, 255, 255, 0);
}
  
#menu-toggle:checked + .menu-button-container .menu-button::after {
    margin-top: 0px;
    transform: rotate(-405deg);
}

@media screen and (max-width: 800px) {
    .menu-button-container {
        display: flex;
      }
    
    .menu {
        position: absolute;
        top: 0;
        margin-top: 75px;
        left: 0;
        flex-direction: column;
        width: 100%;
        justify-content: center;
        align-items: center;
    }
    
    #menu-toggle ~ .menu li {
        height: 0;
        margin: 0;
        padding: 0;
        border: 0;
        transition: height 400ms cubic-bezier(0.23, 1, 0.32, 1);
    }
    
    #menu-toggle:checked ~ .menu li {
        border: 1px solid #333;
        height: 27px;
        padding-top: 24px;
        padding-bottom: 24px;
        transition: height 400ms cubic-bezier(0.23, 1, 0.32, 1);
    }
      
    .menu > li {
        display: flex;
        justify-content: center;
        margin: 0;
        padding: 0.5em 0;
        width: 100%;
        color: white;
        background-color: #222;
    }
      
    .menu > li:not(:last-child) {
        border-bottom: 1px solid #444;
    }
      
    .menu li a {
        height: 17px;
    }
}