.how-section1{
    margin-top:-15%;
    padding: 10%;
}
.how-section1 h4{
    color: #ffa500;
    font-weight: bold;
    font-size: 30px;
}
.how-section1 .subheading{
    color: #3931af;
    font-size: 20px;
}
.how-section1 .row
{
    margin-top: 10%;
}
.how-img 
{
    text-align: center;
}
.how-img img{
    width: 40%;
}
.petit{height: 350px !important;}