$closebutton-size: 40px;

#imagelightbox-close {
    border-radius: 50%;

    background-color: #666;
    height: $closebutton-size;
    position: fixed;
    right: $closebutton-size;
    text-align: left;
    text-indent: -9999px;
    top: $closebutton-size;
    transition: color .3s ease;
    width: $closebutton-size;
    z-index: 10002;
    cursor: pointer;

    &:hover {
        background-color: #111;
    }

    &:before,
    &:after {
        background-color: #fff;
        bottom: 20%;
        content: '';
        left: 50%;
        margin-left: -1px;
        position: absolute;
        top: 20%;
        width: 2px;
    }

    &:before {
        rotate: 45deg;
    }

    &:after {
        rotate: -45deg;
    }

    animation: fade-in .25s linear;
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@media only screen and (max-width: 660px) {
    #imagelightbox-close {
        right: 20px;
        top: 20px;
    }
}