.serv{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background: #9f9f9f;
}
.ab{
    padding: 15px;
}
.ab img{
    width: 300px;
    border-radius: 10px;
}
.ab p{
    text-align: center;
    color: red;
    font-size: 1.3em;
}
.serv a img:hover{
    transform: rotate(5deg)
}