* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font: Arial , sans-serif;
}
/* vrch hore s nadpisom */
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    margin: 0;
    padding: 0.5em;    
    background-color: rgba(1, 1, 93, 0.97);
    text-align: center;
    color:white;
}

main{
    margin:50px 0 0 0 ;
    padding: 80px;
    text-align: center;
    background-color:#dedede;
    
} 

 h2 {
    margin: 15px 0 0 0 ;
}

.sekcia img{
    width: 10%;
    
}
@media(max-width:1000px ){
    main{
    margin:50px 0 0 0 ;
    padding: 25px;
    text-align: center;
    background-color:#dedede;
    
}
}
@media (max-width: 1200px) {
    .sekcia img{
        width: 90px;
    }
    .sekciaobr img{
        width: 65%;
    }
}


.sekciaobr img{
    width: 30%;
    }

.sekcia3{
    display: flex;
    justify-content: center;
    margin: 20px 0 15px 0;
    background-color: darkgray;
}

#rolovacieTlacitko {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: darkblue;
    color: white;
    font-size: 24px;
    text-align: center;
    border: 1px solid white;
    border-radius: 50px;
    cursor: pointer;
    display: block;
    transition: opacity 0.5s ease-in-out;
    padding: 5px;
    text-decoration:none ;

}


/* pmale rolovanie */
html {scroll-behavior: smooth;}