.side-panel {
    position: fixed;
    width: 500px;
    right: -500px;
    top: 0;
    bottom: 0;
    z-index: 1035;
    background: #eee;
    transition: right .2s linear;
    border-radius: 3px 0 0 3px
}

.side-panel .collapse-btn {
    position: absolute;
    left: -30px;
    top: 30%;
    margin-top: -15px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    font-size: 18px;
    color: black;
    background: #eee;
    text-align: center;
    border-radius: 3px 0 0 3px;
    box-shadow: 0 0 15px 0 rgba(0,0,0,.15)
}

@media (max-width: 575.98px) {
    .side-panel .collapse-btn {
        top:35%
    }
}

.side-panel .side-panel-content {
    background: #eee;
    padding: 20px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-x: hidden;
    overflow-y: scroll;
    margin: 0;
    z-index: 10
}

.side-panel .side-panel-divider {
    height: 1px;
    margin: 15px 0;
    background-color: #ccc;
}

.side-panel.active {
    box-shadow: 0 5px 25px rgba(0,0,0,.3);
    right: 0
}

.side-panel.active .theme-collapse-btn .fa:before {
    content: "\f00d"
}

.thumbnail-wrapper {
    position: relative;
    text-align: left;
}

.thumbnail-wrapper:hover .actions-btn-holder,
.thumbnail-wrapper:hover .button-remove-holder,
.thumbnail-wrapper:hover .button-edit-holder {
    display: block;
}

.thumbnail-wrapper img,
.image-preview-wrap img {
    width: 100%;
    max-width: 480px;
    height: auto;
}

.image-preview-wrap img {
    max-width: 800px;
}

.button-remove-holder,
.button-edit-holder {
    display: none;
    position: absolute;
    right: 44%;
    top: 40%;
    z-index: 10;
}