body {
  overscroll-behavior: contain;
}

.animate {
    transition: 0.2s all;
}

.frame {
    padding: 0;
    margin-bottom: 50px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    box-sizing: border-box;
    margin: 0 auto;
    position: relative;
    list-style: none;
}

.frame li {
    display: inline-block;
    position: relative;
    cursor: pointer;
    animation: zoomIn 0.2s;
}

@keyframes zoomIn {
    from {
        transform: scale(0.1);
    }

    to {
        transform: scale(1);
    }
}

.frame div {
    width: 100%;
    height: 100%;
    outline: 1px solid #000;
    box-sizing: border-box;
    overflow: hidden;
    pointer-events: none;
}

.frame div:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(0,0,0,1);
    transition: all 0.2s;
}

.frame div.highlight {
    z-index: 2;
}

.frame div.highlight:before {
    outline: none;
    border:4px solid rgba(0,255,0,1);
}

.frame li:before {
    content: "";
    position: absolute;
    height: 100%;
    width: 100%;
    z-index: -1;
    transition: 0.1s all;
}

.frame li.highlight {
    position: relative;
}

.frame li.highlight:before {
    background: rgba(0,255,0,.5);
    z-index: 2;
}

.frame div > img {
    display: block;
    filter: grayscale(1);
    z-index: -1;
    transition: all 0.2s;
}

.frame *[data-inplace="true"] img  {
    filter: grayscale(0);
}

.no-select {
    position: relative;
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome and Opera */
}

.full-img {
    max-width: 100%;
    width: 100% !important; /* Important tags needed to force responsiveness in IE */
    height: auto !important;
    background: rgba(255,255,255,1);
    outline: 2px solid #000;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0;
    transition: 0.5s opacity;
}

.btn-primary {
    background-color: #9a371f;
    background: #9a371f;
}

.no-select {
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome and Opera */
}

/*@@ DEMO CSS 
***************/

label:hover {
    cursor: pointer;
}

.center-content {
    display: flex;
    flex-flow: column;
    place-content: center space-between;
    min-height: 100vh;
}

.center-content > * {
    flex: 0 0 auto;
}

.controls {
    background: rgba(255,255,255,1);
    position: relative;
    z-index: 4;
}

input[name="options"]:checked ~ .options {
    opacity: 1;
    z-index: 2;
}

input[type="number"] {
    text-align: center;
}

.options { 
    display: flex;
    flex-flow: column;
    place-content: center;
    min-height: 100%;
    width: 100%;
    background: rgba(92,24,81,.9);
    padding: 20px;
    font-size: calc(.5vw + 16px);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    margin: auto;
    opacity: 0;
    z-index: -1;
    transition: all 0.5s;
}

.ui-btn {
    background: transparent;
    border: 2px solid;
    outline: none;
    position: relative;
    display: inline-block;
    padding: 6px;
    color: #fff;
}

.ui-btn:hover {
    cursor: pointer;
}

*[for="options"],
*[data-attr="reset"] {
    width: 100%;
    padding: 10px;
    font-size: calc(.5vw + 16px);
    text-align: center;
    font-weight: normal;
}

*[for="options"]:after {
    content: "+";
    display: inline-block;
    margin-left: 1%;
    transform: rotate(0deg);
    transition: all 0.2s;
}

*[for="options"]:hover,
*[data-attr="reset"] {
    cursor: pointer;
}

input[name="options"]:checked~*[for="options"]:after {
    transform: rotate(135deg);
}

.btngroup {
    text-align: center;
}

.fgroup {
    display: flex;
    place-content: center;
    align-items: center;
    flex-flow: wrap;
    margin-bottom: 15px;
}

.fgroup > * {
    padding:  0 10px;
    margin-bottom: 15px;
}

.fgroup .fieldset {
    flex: 0 0 70%;
    display: flex;
    flex-flow: wrap;
    place-content: space-between;
}

.fgroup .fieldset > * {
    flex: 1 0 auto;
}

.fgroup .fieldset input {
    background: transparent;
    outline: none;
    border: none;
    padding: 5px 7px;
    border-bottom: 2px solid rgba(255,255,255,.7);
    color: #fff;
    transition: all 0.2s;
}

.fgroup .fieldset input:focus {
    background: rgba(0,0,0,.2);
}

.fgroup .fieldset input[name="difficulty"] {
    display: none;
}

.fgroup .fieldset input[name="difficulty"] + label {
    border: 2px solid #fff;
    padding: 7px;
    text-align: center;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.fgroup .fieldset input[name="difficulty"] + label:before {
    content: '';
    background: rgba(0,0,0,1);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 0%;
    height: 0%;
    opacity: 0;
    z-index: -1;
    transition: all 0.2s;
}

.fgroup .fieldset input[name="difficulty"]:checked + label:before {
    width: 100%;
    height: 100%;
    opacity: 1;
}