*{
    margin: 0;
    padding: 0;
}

#content {
    background-image: url('../images/iskola_uj.JPG');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; 
    min-height: 100vh;
    padding: 2rem 0;
}
.topbar {
    background-color: white;
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}


.topbar ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: flex-end; 
    gap: 15px;
    align-items: center;
}

.topbar ul li a {
    text-decoration: none;
    color: #333;
    font-weight: normal;
    font-size: 12px;
    padding: 5px 5px;
    transition: all 0.3s ease;
}

.topbar ul li a:hover {
    background-color: #f0f0f0;
    border-radius: 5px;
}


nav{
    background-color: white;
    box-shadow: 3px 3px 5px rgba(0, 0, 0, 0.1);
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

nav ul{
    width: 100%;
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

nav li{
    height: 50px;
}
li.logo{
    height: 50px;
    max-height: 100%;
    width: auto;
    display: block;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: larger;
}
nav a{
    height: 100%;
    padding: 0 30px;
    text-decoration: none;
    display: flex;
    align-items: center;
    color: black;
}
nav a:hover{
    background-color: #f0f0f0;
}
nav li:first-child{
    margin-right: auto;
}
.sidebar{
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 250px;
    z-index: 999;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: -10px 0 10px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

.sidebar li{
    width: 100%;
}

.sidebar a{
    width: 100%;
}

.menu_button{
    display: none;
}

.supporters-container{
    padding: 1rem;
    background-color: #000000e3;
    text-align: center;
}
.socialmail{
    display: flex;
    justify-content: center;
}
.socialmail a{
    text-decoration: none;
    padding:  10px;
    background-color: white;
    margin: 10px;
    border-radius: 50%;
}
.socialmail a i{
    font-size: 2em;
    color: black;
    opacity: 0,9;
}
.socialmail a:hover{
    background-color: #111;
    transition: 0.5s;
}
.socialmail a:hover i{
    color: white;
    transition: 0.5s;
}
.supporters-grid{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.supporter img{
    max-width: 100px;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 0 5px rgba(235, 5, 5, 0.1);
}
.author{
    padding: 1rem;
    background-color: #000000e3;
    text-align: left;
    color: #aaacad;
}

h2.Admin{
    text-align: center;
    text-decoration: dashed;
}

@media(max-width: 800px){
    .hideOnMobile{
        display: none;
    }
    .menu_button{
        display: block;
    }
}
@media(max-width: 400px){
    .sidebar{
        width: 100%;
    }
}