body{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.blocks{
    display: flex;
    margin: 10px;
}
.concept{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 10px;
    padding: 10px;
    border: 2px solid
}
.logic{
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    margin: 10px;
    border: 2px solid ;
}