.col
{
    width: 23%;
    margin-right: 13px;
    font-size: medium;
    text-align: center;
    display: inline-block;
}

.img {
    margin: auto;
    height: 100%;
    width: 100%
}

.row{
    display: flex;
}

#post-232>header,#post-272>header { 
    display: none;
}

.aktualnosci {
    text-align: center;
    font-size: 30px;
    font-weight: bold;
}

.powitanie {
width: 100%; 
background-color: white; 
text-align: center; 
padding: 15px; 
margin-bottom: 25px;
}

.entry-title {   
 font-size: xx-large;
}