#portfolioo {
    text-align: center;
    padding: 2em;
	margin-bottom: 50px;
}
#portfolioo li {
    float: none;
    display: inline-block;
    margin-bottom: 30px;
    margin-left: 10px;
    margin-right: 10px;
}
.all img {
    margin: 0 auto;
}
.all p {
    text-align: center;
}