/* 
* Musce group images
*/
.category_image {
    position: relative;
    z-index: 1;
    width: 32%;
    margin-right: 1%;
    margin-bottom: 1%;
    height: 200px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.sub-list .category_image {
    width: 100%;
    margin-right: 0;
    height: 120px;
}

/* Small devices (tablets, 768px and up) */
@media (max-width: 767px) {
	.sub-list .category_image {
	    width: 32%;
    	margin-right: 1%;
	}
}

.category_image.small {
    width: 105px;
    height: 105px;
    border-right: none;
}

.category_image_title {
    position: absolute;
    z-index: 2;
    bottom: 0;
    left: 0;
    width: 100%;
    font-size: 1.4em;
    padding: 5px 0;
    color: #fff;
    background: transparent url("../../images/semi_dark.png") repeat scroll 0 0;
    text-align: center;
}

.category_image_title.small {
    padding: 0;
    font-size: 1em;
    font-weight: bold;
}

.category_image:hover .category_image_title,.category_image.active .category_image_title
    {
    background-image: url("../../images/semi_blue.png");
    padding: 5px 0 20px 0;
}

.category_image:hover .category_image_title.small,.category_image.active .category_image_title.small
    {
    padding: 0 0 10px 0;
}

.category_image a {
    display: block;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    text-decoration: none;
    z-index: 3;
}

.category_image a img {
    height: 200px;
    width: 200px;
}

table.exercises tr .btn-danger {
    opacity: 0.1;
    filter:alpha(opacity=10);
    -moz-opacity:.10;   
}

table.exercises tr:hover .btn-danger {
    opacity: 1;
    filter:alpha(opacity=100);
    -moz-opacity:1;
}

.exercises_small{
    width: 100px;
    padding-left:0;
    padding-right:0;
}

.exercises_small>div{
    width: 100px;
}

.exercises_small img.img-responsive{
    margin: 0 auto;
}