.puzzle {
    padding: 10px;
    display: inline-block;
    background-color: #fff;
    border: 1px solid #f1f1f1;
    position: relative;
}

#puzzle-background {
}
#puzzle-slide {
    position: absolute;
    z-index: 5;
    background-color: transparent;
    box-shadow: 0 0 4px 0.8px rgba(255, 255, 255, 0.3);
}
#puzzle-goal {
    position: absolute;
    background-color: #fff;
    bottom: 50px;
    box-shadow: 0 0 4px 2px rgba(0, 0, 0, 0.3) inset;
}

.puzzle-box {
    height: 40px;
    margin-top: 7px;
    border: 1px solid #f1f1f1;
    position: relative;
    user-select: none;
}

.puzzle-handle {
    position: absolute;
}

.puzzle-button {
    position: absolute;
    height: 40px;
    width: 40px;
    background-color: #fff;
    box-sizing: border-box;
    box-shadow: 0 0 2px 1px lightgray;
    text-align: center;
    line-height: 40px;
    font-size: 14px;
    cursor: w-resize;
    color: #555;
    font-weight: bold;
}

.puzzle-button:hover {
    color: #000;
    font-weight: bold;
}

.puzzle-result {
    width: calc(100% - 20px);
    position: absolute;
    height: 0px;
    z-index: 6;
    bottom: 60px;
    transition: height 0.2s ease-out;
    text-align: center;
    color: #fff;
    font-size: 12px;
    font-family: 微软雅黑;
}

.puzzle-result-success {
    background-color: rgba(52, 189, 104, 1);
    height: 20px;
    line-height: 20px;
}
.puzzle-result-fail {
    background-color: #f13a3a;
    height: 20px;
    line-height: 20px;
}

.puzzle-refresh {
	position: absolute;
	right: 20px;
	top: 20px;
	width: 20px;
	height: 20px;
	cursor: pointer;
	background: #fff;
	border-radius: 50%;
	box-shadow: 0 0 4 2px #fff;
	display: flex;
	align-items: center;
	justify-content: center;
}