body{
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: url('../../images/menu_img.png');
}
footer{
    margin-top: auto;
    text-align: center;
    width: 100%;
    background-color: #e3f2fd;
    font-weight: bold;
    font-size: 16px;
}

#menu {
   width: 100%;
   background: transparent; 
}

#menu a {
    font-weight: bold;
    font-size: 1.2rem;
    color: white;
    background-color: #62a9f5;
    margin-left: 2px;
    border-radius: 4px;
    text-align: center;
    padding: 0.375rem 0.375rem;
    text-decoration: none;
}

.menu-float-left {
    float: left;
}

#menu a:hover {
    background-color: #7cb7f7;
}

#login_btn {
    float: right;
}
.container-fluid{
    max-width: 1800px;
}

#mobile_menu {
    position: absolute;
    top: 52px;
    width: 100%;
    height: auto;
    display: none;
    font-weight: bold;
    font-size: 18px;
    z-index: 999;
    text-align: center;
    border: 2px solid;
    background-color: #e3f2fd;
}

#mobile_menu li {
    padding-left: 5px;
    padding-right: 5px;
}

#mobile_menu li:active {
    background-color: lightblue;
}

#show_mobile_menu {
    display: none;
}

#show_mobile_menu button {
    background: #fff;
    border: 1px solid;
}

#mobile_menu_text {
    font-weight: 500;
    background-color: transparent;
}

.navbar {
    background: transparent;
}

.navbar-tobbler-icon {
    font-size: 0.8em;
}
.navbar-toggler {
    padding-bottom: 0;
    padding-top: 0;
}


@media only screen and (max-width: 830px) {
    #login_btn {
        float: none;
    }

    #menu {
        display: none;
    }

    #show_mobile_menu {
        display: block;
    }
}