#software-developer-left-slide{
    position: absolute;
    float: left;
    left: 0;
    top: 10vh;
    width: 0%;
    height: 90vh;    
    background: black;
    box-shadow: 0px 0px 5px 15px rgba(0, 0, 0, .4);

    transition: .5s ease-in-out;             
    overflow: hidden;

    border-radius: 8px;
}

img#software-developer:hover ~ #software-developer-left-slide
{            
    width: 69%;
    z-index: 5;
    background: black !important;
}


img#software-developer:not(:hover) ~ #software-developer-left-slide
{           
    z-index: 5;
    background: black !important;
    transition: 1s 1s ease-out;
    box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 0);
}