.slider-portfolio p {
    position: absolute;
    background: rgba(7, 7, 7, 0.5);
    color: #fff;
    font-size:15px;
    padding: 8px 22px;
    margin-top: 10px;
    margin-left: 10px;
    border-radius: .4em  ;
    -webkit-border-radius: .4em  ;
    -moz-border-radius: .4em  ;
    -ms-border-radius: .4em  ;
    -o-border-radius: .4em  ;
}