* {
    margin: 0px;
    pad: 0px;
}
.mob {
    display: none;
}
.sredina {
text-align: center;}

body {
    background: rgb(11, 94, 193);
    background: linear-gradient(90deg, rgba(11, 94, 193, 1) 40%, rgba(34, 154, 179, 1) 100%);
}

section {
    width: 80%;
    height: 70vh;
    margin: auto;
    padding-top: 5%;
}

#str5,
#str1 {
    height: 90vh;
}

nav {
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    position: fixed;
    background-color: #333;
    z-index: 1000;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
}

nav a:hover {
    background-color: #555;
}

.flex {
    display: flex;
    flex-direction: row;
    gap: 5em;

}

.galerija {
    display: flex;
    flex-direction: column;
    gap: 5em;
    width: 50%;
    margin: auto;
}

h1 {
    font-size: 5em;
}


img:hover {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

body {
    font-family: 'Roboto', sans-serif;
}

@media only screen and (max-width: 728px) {
    .pc {
        display: none;
    }

    .mob {
        display: block;
        margin-top: 3%;
        margin-bottom: 3%;
        width: 90%;
        margin: auto;
    }
    h1 {
        font-size: 3em;
        margin-top: 3%;
        margin-bottom: 3%;
        text-align: center;
    }

    nav {
        flex-direction: column;
        align-items: center;
        top: 0;

    }

    img {
        width: 100%;
        margin-bottom:3% ;
    }

    .galerija {
        flex: none;
        gap: none;
        float: none;
        width: 60%;
        margin-right: none;
        margin: auto;
    }

    
    img:hover {
        transform: scale(1);
        transition: transform 0.3s ease;
    }

}