/* 图片样式 */
.serfan_img_star {
    background: url('./star.png') no-repeat center;
    background-size: contain;
}

.serfan_img_cube {
    background: url('./cube.png') no-repeat center;
    background-size: contain;
}

.serfan_img_triangle {
    background: url('./triangle.png') no-repeat center;
    background-size: contain;
}

.serfan_img_circle {
    background: url('./circle.png') no-repeat center;
    background-size: contain;
}

.serfan_img_diamond {
    background: url('./diamond.png') no-repeat center;
    background-size: contain;
}


/* 缩小图片到60px */
.serfan_img_star, 
.serfan_img_cube, 
.serfan_img_triangle,
.serfan_img_circle, 
.serfan_img_diamond {
    background-size: 60px 60px !important;
    width: 60px !important;
    height: 60px !important;
}

/* 调整容器防止溢出 */
.serfan_captcha_bg {
    background: url(./bg.jpg) center;
    background-size: 100% 100%;
    overflow: hidden !important;
    box-sizing: border-box;
    height: 100%;
}

.serfan_captcha_td {
    text-align: center;
    padding: 5px;
    vertical-align: top;
    overflow: hidden;
}

.serfan_captcha_img {
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: all 0.3s;
   /* border: 2px solid #ddd;*/
    /*border-radius: 5px;*/
    display: inline-block;
    /*margin: 5px;*/
}

.serfan_captcha_img:hover {
    transform: scale(1.1);
    border-color: #007bff !important;
}