.content_img img{
    display: block;
    max-width: 100%;
    height: auto;
}
:focus {
    outline: -webkit-focus-ring-color auto 0px;
}

.slick-slide a:focus {
    outline: thin dotted;
    outline: 0px auto -webkit-focus-ring-color;
    outline-offset: -2px;
    text-decoration: none;
}