header{
    display: grid;
    grid-template-columns: auto 1fr auto auto auto;
    background-color: white; /* Don't delete! Must be set for z-index. */
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, .15);
    padding: 1rem 0.5rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.logo{
    width: 3rem;
}

.brandname{
    font-family: monospace;
    font-size: 2rem;
    padding: 0 1rem 0 0.5rem;
}

.signup-link, .contact-us-link{
    background-color: #DBE2EF;
    text-decoration: none;
    padding: 0.5rem 2rem;
    margin: 0.25rem 1rem 0 1rem;
    display: inline-block;
    border-radius: 1.25rem;
    transition: all 0.8s ease;
}

.contact-us-link{
    background-color: yellow;
    margin: 0.25rem 0 0 1rem;

}

.home-div, .account-sidebar-div{
    display: none;
}

.logout-btn{
    background-color: transparent;
    cursor: pointer;
}

.login-icon, .home-icon, .logout-icon{
    font-size: 2rem;
    display: inline-block;
}

@media (hover: hover) and (pointer: fine){
    .contact-us-link:hover, .signup-link:hover{
        background-color: #212529;
        color: white;
    }
}


/* Sidebar */

.menu-icon-div{
    display: none;
}

.menu-btn{
    background-color: white;
}

.menu-icon{
    font-size: 2rem;
}

.close-btn{
    background-color: white;
    display: none;
}

.close-sidebar-icon{
    font-size: 2rem;
}

.sidebar{
    display: none;
    background-color: white; /* Must be set for z-index */
    position: fixed;
    top: 5rem; 
    left: 0;
    right: 0;
    bottom: 0;
    padding-left: 0.5rem;
    z-index: 200;
}

.sidebar ul li{
    list-style: none;
}

.sidebar ul li a{
    display: block;
    padding: 1rem 0;
    text-decoration: none;
    font-size: 1.2rem;
}

.login-sidebar-icon, .signup-sidebar-icon, .contact-us-sidebar-icon{
    font-size: 1.2rem;
    margin-right: 0.5rem;
    color: #212529;
}

.account-sidebar-nav{
    display: none;
}


/* Account Sidebar */

.account-sidebar-nav{
    position: fixed;
    top: 5rem;
    left: 0;
    bottom: 0;
    width: 8rem; /* If you change this width, remember to change main{left: 8rem;} in other account pages */
    padding: 0 0.5rem;
    border-top: 2px solid #f1f2f5;
}

.account-sidebar-nav ul{
    list-style: none;
}

.account-sidebar-nav ul li{
    padding-top: 1rem;
}

.account-sidebar-nav ul li a{
    text-decoration: none;
}

.account-sidebar-nav ul li a i{
    font-size: 1rem;
    margin-right: 0.25rem;
}

@media (max-width: 500px){
    .hide-on-mobile-span{
        display: none;
    }

    .account-sidebar-nav ul li a i{
        margin-right: 0;
    }

    .account-sidebar-nav{
        width: 2rem; /* If you change this width, remember to change main{left: 2rem;} in other pages */
    }
}

@media (max-width: 555px){
    header{
        grid-template-columns: auto 1fr auto;
    }

    .signup-div, .contact-us-div, .login-div{
        display: none;
    }

    .menu-icon-div{
        display: flex;           /* Enables flex layout */
        flex-direction: column;  /* Align items vertically */
        justify-content: center; /* Centers items vertically */
    }
}

@media (max-width: 319px){
    .logo{
        display: none;
    }

    header{
        grid-template-columns: 1fr auto;
    }
}