.darkroom-container {
    position: relative;
}
.darkroom-image-container {
    top: 0;
    left: 0;
}
.darkroom-toolbar {
    display: block;
    position: absolute;
    top: -45px;
    left: 0;
    background: #444;
    height: 40px;
    min-width: 40px;
    z-index: 99;
    border-radius: 2px;
    white-space: nowrap;
    padding: 0 5px;
}
.darkroom-toolbar:before {
    content: "";
    position: absolute;
    bottom: -7px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 7px solid #444;
}
.darkroom-button-group {
    display: inline-block;
    margin: 0;
    padding: 0;
}
.darkroom-button-group:last-child {
    border-right: none;
}
.darkroom-button {
    box-sizing: border-box;
    background: transparent;
    border: none;
    outline: none;
    padding: 2px 0 0 0;
    width: 40px;
    height: 40px;
}
.darkroom-button:hover {
    cursor: pointer;
    background: #555;
}
.darkroom-button:active {
    cursor: pointer;
    background: #333;
}
.darkroom-button:disabled .darkroom-icon {
    fill: #666;
}
.darkroom-button:disabled:hover {
    cursor: default;
    background: transparent;
}
.darkroom-button.darkroom-button-active .darkroom-icon {
    fill: #33b5e5;
}
.darkroom-button.darkroom-button-hidden {
    display: none;
}
.darkroom-button.darkroom-button-success .darkroom-icon {
    fill: #99cc00;
}
.darkroom-button.darkroom-button-warning .darkroom-icon {
    fill: #ffbb33;
}
.darkroom-button.darkroom-button-danger .darkroom-icon {
    fill: #ff4444;
}
.darkroom-icon {
    width: 24px;
    height: 24px;
    fill: #fff;
}