.about-img
{
margin-left: 30%;
margin-top: -20px;
}

@media screen and (min-width: 901px)
{
.about-mobile-icon{
margin-top: 80px;
margin-left: 135px;
}

.about-car-icon{
margin-top: 220px;
margin-left: 45px;
}

.about-graph-icon{
margin-top: 85px;
margin-left: -35px;
}
}

@media (min-device-width : 320px) and (max-width: 899px){
.about-mobile-icon{
}

.about-car-icon{
}

.about-graph-icon{
}
}