.nadpis{
    text-align: center;
    }

.header{
    text-align: center;
    background-color:   darkgray;
    padding-top: 2%;
    padding-bottom: 2%;
    word-spacing: 1%;
} 

.banner{
    text-align: center;
    background-color:   darkgray;
    margin-top: 2%;
    padding-bottom: 10%;
}

.content{
    text-align: center;
    justify-content: space-around;
    display: flex;
    margin-top: 0,5%;
    padding: 2%;
    flex-grow: 1;
}



.leftbox{
    background-color: darkgray;
    width: 32%;
    padding-bottom: 6%;

    
}
.middlebox{
    background-color:   darkgray;
    width: 32%;
    padding-bottom: 10%;
    
}

.rightbox{
    background-color: darkgray;
    width: 32%;
    padding-bottom: 6%;
    
}

.footer{
    text-align: center;
    background-color: darkgray;
    margin-top: 0,5%;
    padding-top: 2%;
    padding-bottom: 2%;
}