.portfolio .cta-area{
    text-align: center;
}

#portfoli .content-overlay {
    background: rgba(0,0,0,0.7);
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    opacity: 0;
    -webkit-transition: all 0.4s ease-in-out 0s;
    -moz-transition: all 0.4s ease-in-out 0s;
    transition: all 0.4s ease-in-out 0s;
    z-index: 9;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

#portfoli:hover .content-overlay {
    opacity: 1;
}

#portfoli .content-overlay a{
    font-size: 25px;
    color: #fff;    
    text-transform: capitalize;
}

#portfoli .content-overlay a img{
    width: 25px;
}