.ResponsibilityBox
{
    width: 50%;
    height: 150px;
    float: left;
    position: relative;
    clear: left;
    margin-top:40px;
    padding:0px;    
    text-align:right;
}

.ResponsibilityBox img
{
   width: calc(100% - 80px);
    max-width:960px;
    min-height:150px;
    margin-right:20px;
    cursor:pointer;
}