.cube {
  position:relative;
  width:800px;
  height:60px;
  margin:0rem auto 2rem;
  -webkit-transform-style:preserve-3d;
  -moz-transform-style:   preserve-3d;
  -ms-transform-style:    preserve-3d;
  -o-transform-style:     preserve-3d;
  transform-style:        preserve-3d;
  -webkit-perspective:400px;
  -moz-perspective:   400px;
  -ms-perspective:    400px;
  -o-perspective:     400px;
  perspective:        400px;
}
/* positions */
.a, .b, .c, .d {
  position:absolute;
  width:50%;
  height:100%;
  left:0px;
  z-index:222;
}
.a:before, .b:before, .c:before, .d:before, .a:after, .b:after {
  content:'';
  position:absolute;
  top:0px;
  left:0px;
  width:800px;
  height:60px;
}
.a:before, .b:before, .c:before, .d:before {
  z-index:111;
}
.a:after, .b:after {
  z-index:333;
}
.b {
  top:0px;
  -webkit-transform:rotateX(75deg) translateY(-60px);
  -moz-transform:   rotateX(75deg) translateY(-60px);
  -o-transform:     rotateX(75deg) translateY(-60px);
  -ms-transform:    rotateX(75deg) translateY(-60px);
  transform:        rotateX(75deg) translateY(-60px);
  -webkit-transform-origin:0% 0%;
  -moz-transform-origin:   0% 0%;
  -o-transform-origin:     0% 0%;
  -ms-transform-origin:    0% 0%;
  transform-origin:        0% 0%;
}
.c {
  top:0px;
  -webkit-transform:rotateX(75deg);
  -moz-transform:   rotateX(75deg);
  -o-transform:     rotateX(75deg);
  -ms-transform:    rotateX(75deg);
  transform:        rotateX(75deg);
  -webkit-transform-origin:100% 100%;
  -moz-transform-origin:   100% 100%;
  -o-transform-origin:     100% 100%;
  -ms-transform-origin:    100% 100%;
  transform-origin:        100% 100%;
}
.d {
  -webkit-transform:translateZ(-60px) translateY(-15px);
  -moz-transform:   translateZ(-60px) translateY(-15px);
  -o-transform:     translateZ(-60px) translateY(-15px);
  -ms-transform:    translateZ(-60px) translateY(-15px);
  transform:        translateZ(-60px) translateY(-15px);
}
/* colors */
.a, .b {
  background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(116,198,43,0.8)), to(rgba(116,198,43,0.8)));
  background-image: -webkit-linear-gradient(top, rgba(116,198,43,0.8), rgba(116,198,43,0.8));
  background-image:    -moz-linear-gradient(top, rgba(116,198,43,0.8), rgba(116,198,43,0.8));
  background-image:      -o-linear-gradient(top, rgba(116,198,43,0.8), rgba(116,198,43,0.8));
  background-image:         linear-gradient(to bottom, rgba(116,198,43,0.8), rgba(116,198,43,0.8));
  background-repeat:no-repeat;
  background-size:100% 100%;
  background-position:0% 0%;
}
.c, .d {
  background-image:-webkit-gradient(linear, left top, left bottom, from(rgba(116,198,43,0.5)), to(rgba(116,198,43,0.5)));
  background-image:-webkit-linear-gradient(top, rgba(116,198,43,0.5), rgba(116,198,43,0.5));
  background-image:   -moz-linear-gradient(top, rgba(116,198,43,0.5), rgba(116,198,43,0.5));
  background-image:     -o-linear-gradient(top, rgba(116,198,43,0.5), rgba(116,198,43,0.5));
  background-image:        linear-gradient(to bottom, rgba(116,198,43,0.5), rgba(116,198,43,0.5));
  background-repeat:no-repeat;
  background-size:100% 100%;
  background-position:0% 0%;
}
.c:before {
  -webkit-box-shadow:0px 30px 20px -20px rgba(0,0,0,0.4),
                     0px 40px 15px -15px rgba(0,0,0,0.25);
  -moz-box-shadow:   0px 30px 20px -20px rgba(0,0,0,0.4),
                     0px 40px 15px -15px rgba(0,0,0,0.25);
  box-shadow:        0px 30px 20px -20px rgba(0,0,0,0.4),
                     0px 40px 15px -15px rgba(0,0,0,0.25);
}
.a:before, .b:before, .c:before, .d:before {
  background-color:rgba(0,0,0,0.05);
}
.a:after {
  background-image:-webkit-gradient(linear, left top, left bottom, from(rgba(0,0,0,0.07)), to(rgba(0,0,0,0)));
  background-image:-webkit-linear-gradient(top, rgba(0,0,0,0.07), rgba(0,0,0,0));
  background-image:   -moz-linear-gradient(top, rgba(0,0,0,0.07), rgba(0,0,0,0));
  background-image:     -o-linear-gradient(top, rgba(0,0,0,0.07), rgba(0,0,0,0));
  background-image:        linear-gradient(to bottom, rgba(0,0,0,0.07), rgba(0,0,0,0));
}
.b:after {
  background-image:-webkit-gradient(linear, left top, left bottom, from(rgba(255,255,255,0.1)), to(rgba(255,255,255,0.25)));
  background-image:-webkit-linear-gradient(top, rgba(255,255,255,0.1), rgba(255,255,255,0.25));
  background-image:   -moz-linear-gradient(top, rgba(255,255,255,0.1), rgba(255,255,255,0.25));
  background-image:     -o-linear-gradient(top, rgba(255,255,255,0.1), rgba(255,255,255,0.25));
  background-image:        linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(255,255,255,0.25));
}
/* jQuery stuff */
#slider-range-min {
  position:absolute;
  width: 80%;
  left:10%;
  top:10px;
  margin: 0px;
  z-index:999;
}
.ui-slider {
  height:5px;
  border:none;
  background:rgba(0,0,0,0.1);
  -webkit-box-shadow:0px 2px 2px rgba(255,255,255,0.25),
                     inset 0px 1px 3px rgba(0,0,0,0.3);
  -moz-box-shadow:   0px 2px 2px rgba(255,255,255,0.25),
                     inset 0px 1px 3px rgba(0,0,0,0.3);
  box-shadow:        0px 2px 2px rgba(255,255,255,0.25),
                     inset 0px 1px 3px rgba(0,0,0,0.3);
}
.ui-slider:before, .ui-slider:after {
  content:'III';
  position:absolute;
  left:100px;
  width:100%;
  font-family: 'Source Sans Pro', sans-serif;
  font-size:1.2rem;
  font-weight:300;
  color:rgba(0,0,0,0.3);
  letter-spacing:196px;
  text-shadow:1px 1px 0px rgba(255,255,255,0.2);
}
.ui-slider:before {
  top:-1.4rem;
}
.ui-slider:after {
  bottom:-1.4rem;
}
.ui-slider-range {background:transparent;}
.ui-slider .ui-slider-handle {
  top:-8px;
  width:26px;
  height:20px;
  margin-left:-15px;
  padding-left:4px;
  border:none;
  background:rgba(255,255,255,0.7);
  border-radius:2px;
  text-align:center;
  font-family: 'Anonymous Pro', sans-serif;
  font-size:1.2rem;
  line-height:20px;
  color:rgba(0,0,0,0.5);
  text-decoration:none;
  letter-spacing:3px;
  cursor:pointer;
  text-shadow:1px 1px 2px rgba(255,255,255,1);
  -webkit-box-shadow:1px 1px 8px rgba(0,0,0,0.3);
  -moz-box-shadow:   1px 1px 8px rgba(0,0,0,0.3);
  box-shadow:        1px 1px 8px rgba(0,0,0,0.3);
}
.ui-slider .ui-slider-handle:focus {
  outline:none;
}
/* typo */
h1 {
  font-size:2.7rem;
  font-weight:200;
  color:rgba(0,0,0,0.6);
}
p {
  font-size:1.2rem;
  font-weight:300;
  line-height:1.8rem;
  color:rgba(0,0,0,0.8);
}

#amount, #optional-text {
    position: relative;
    display: inline-block;
    text-align: center;
	font-family: "GT-Walsheim";
    font-style: normal;
    font-weight: 500;
    font-size: 4rem;
    color: #529e0e;
    background: transparent;
    border: none;
    line-height: 4.5rem;
    height: auto;
}

#amount::before {
    content: '$';
    font-size: 1.75rem;
    margin-bottom: 1rem;
    margin-left: -0.3rem;
}




#level-name {
    position: relative;
    display: inline-block;
    text-align: center;
    font-size: 2rem;
    color: #529e0e;
    background: transparent;
    border: none;
    line-height: 2.5rem;
    height: auto;
}


#amount:focus {outline:none;}
/* base */


#content {
  -webkit-box-sizing:border-box;
  -moz-box-sizing:   border-box;
  box-sizing:        border-box;
  width:100%;
  height:100%;
  padding-top:5rem;
  text-align:center;
}


/* Kontener na trzy obrazki */
    .image-container {
      display: flex;
      justify-content: space-between;
      margin-top: 20px;
    }
    .image-container img {
      max-width: 33% !important;
      height: auto;
    }


.ui-state-hover, .ui-widget-content .ui-state-hover, .ui-widget-header .ui-state-hover, .ui-state-focus, .ui-widget-content .ui-state-focus, .ui-widget-header .ui-state-focus, .ui-button:hover, .ui-button:focus {
    border: 1px solid #cccccc;
    background: #ededed;
    font-weight: normal;
    color: #2b2b2b;
}

.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default, .ui-button, html .ui-button.ui-state-disabled:hover, html .ui-button.ui-state-disabled:active {
    border: 1px solid #c5c5c5;
    background: #f6f6f6;
    font-weight: normal;
    color: #454545;
}
.ui-slider-horizontal .ui-slider-handle {
    top: -10px;
    margin-left: 0px;
}
.ui-slider .ui-slider-handle {
    position: absolute;
    z-index: 2;
    width: 2.2em;
    height: 1.2em;
    cursor: pointer;
    -ms-touch-action: none;
    touch-action: none;
}

#amount::before {
    content: '$';
    font-size: 1.75rem;
    margin-bottom: 1rem;
    margin-left: -0.3rem;
}

.my-slider-container {
  margin: 0 auto;   
  text-align: center; 
}