.step-flex{
    display: flex;
    align-items: center;
    justify-content: center;
    
}
.step-flex img{
    padding: 0;
    width: 300px;
}

@media (max-width: 600px){
    .step-flex img{
        width: 200px;
        height: 250px;
    }
    
}
@media (max-width: 450px){
    .step-flex img{
        width: 150px;
        height: 200px;
    }
    
}


.timgb {
    display: flex;
    flex-flow: row;
    align-items: center;
    justify-content: space-around;
}
.timgb a {
    width: 40%;
}

@media (max-width: 800px) {
    .timgb {
        flex-flow: column;
        justify-content: center;
    }
    .timgb a {
       width: 100%;
    }
}