@font-face {
    font-family: 'icomoon';
    src: url('fonts/icomoon.eot?5ztwjj');
    src: url('fonts/icomoon.eot?5ztwjj#iefix') format('embedded-opentype'),
        url('fonts/icomoon.ttf?5ztwjj') format('truetype'),
        url('fonts/icomoon.woff?5ztwjj') format('woff'),
        url('fonts/icomoon.svg?5ztwjj#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

[class^="icon-"],
[class*=" icon-"] {
    /* use !important to prevent issues with browser extensions that change fonts */
    font-family: 'icomoon' !important;
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;

    /* Better Font Rendering =========== */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon-volume-1:before {
    content: "\e900";
}

.icon-volume-2:before {
    content: "\e901";
}

.icon-volume-3:before {
    content: "\e902";
}

.icon-volume-none:before {
    content: "\e903";
}
html{
    background-image: linear-gradient(-170deg, #90b5df 20%, #ffffff);
    user-select: none;
}
.card{
    height: 300px;
    padding: 10px;
    box-shadow: 7px 7px 8px 0 rgba(0, 0, 0, .1);

}
/* demo1 */
.card1 {
    text-align: center;
    margin-top: 15px;
}
.card1 .demo1{
    width: 40px;
    height: 200px;
    border: 1px solid #ccc;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
}
.card1 .demo1 .per1{
    width: 100%;
    height: 100%;
    background: #d3f5ae;
    position: absolute;
    bottom: 0;
}
.card1  #demo1-icon{
    font-size: 30px;
}
/* demo2 */
.card2 {
    text-align: center;
    margin-top: 15px;
}

.card2 .demo2 {
    width: 40px;
    height: 200px;
    border: 1px solid #ccc;
    margin: 0 auto;
    overflow: hidden;
}

.card2 .demo2 .per2 {
    height: 100%;
    width: 100%;
    background: #d3f5ae;
}

.card2 #demo2-icon {
    font-size: 30px;
}
/* demo3 */
.card3 {
    text-align: center;
    margin-top: 100px;
}

.card3 .demo3 {
    width: 300px;
    height: 40px;
    border: 1px solid #ccc;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transform-origin: 50% 50%;
}

.card3 .demo3 .per3 {
    height: 20%;
    width: 80%;
    background: #d3f5ae;
    position: relative;
}

.card3 .demo3 .per3 .bar3 {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #ccc;
    border-radius: 50%;
    left: 110px;
    top: -5px;
}

.card3 .volume-container3 {
    margin-top: 30px;
}
/* demo4 */
.card4 {
    text-align: center;
    margin-top: 100px;
}

.card4 .demo4 {
    width: 300px;
    height: 40px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    transform-origin: 50% 50%;
    position: relative;
}

.card4 .demo4 .per4 {
    height: 20%;
    width: 100%;
    background: #d3f5ae;
    position: relative;
}

.card4 .demo4 .per4 .bar4 {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #ccc;
    border-radius: 50%;
    left: 110px;
    top: -5px;
}

.card4 .demo4 .per4 .target4 {
    position: absolute;
    width: 10px;
    height: 10px;
    left: 200px;
}

.card4 .per4 #volumnIcon4 {
    position: absolute;
    left: -42px;
    top: -15px;
    font-size: 40px;
    cursor: pointer;
}

.card4 .per4 #volumnIcon4:hover {
    color: rgba(226, 64, 228, 0.3)
}
/* demo5 */
.card5 {
    text-align: center;
    margin-top: 100px;
    padding-left: 30%;
}

.card5 .demo5 {
    position: absolute;
    height: 150px;
    width: 30px;
    left: 0;
    top: -150px;
    background: #ccc;
}

.card5 #volume5 {
    font-size: 16px;
    padding: 0px;
    color: #ebebeb;
}

.card5 .per5 {
    height: 100px;
    background: #fefefe;
    margin: 10px;
    position: relative;
}

.card5 .per5 .bar5 {
    height: 50%;
    background: #d3f5ae;
    position: absolute;
    width: 100%;
    bottom: 0;
}
.card5 #demo5-icon {
    position: relative;
    font-size: 30px;
    float: right;
    margin-top: 60px;
}

.card5 .circle5 {
    position: relative;
    transform-origin: 40px 16px;
}

.card5 .circle5 .circle-box5 {
    display: flex;
    width: 200px;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #383838;
    border-bottom: 1px solid #383838;
    transform: perspective(250px) scaleZ(1) rotateY(-40deg);
    margin-top: 20px;
}

.card5 .circle5 .circle-box5 .center5 {
    width: 30px;
    height: 30px;
    background: #9c9c9c;
    border-radius: 50%;
    transform: translateX(-15px) scaleX(1.7);
}

.card5 .circle5 .circle-box5 .handler5 {
    height: 30px;
    width: 30px;
    background: #9c9c9c;
    border-radius: 50%;
    transform: translateX(15px);
}
/* demo6 */
.card6 {
    text-align: center;
    margin-top: 100px;
}

.demo6 .volume-container6 {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
}

.demo6 #demo6-icon {
    margin-right: 10px;
    font-size: 30px;
}

.demo6 #number6 {
    margin-left: 5px;
}

.demo6 #alert6 {
    color: red;
    display: none;
}

.demo6 .container6{
    font-size: 25px;
}
/* demo7 */
.card7 {
    text-align: center;
    margin-top: 240px;
}
.card7 .demo7{
    position: absolute;
    height: 150px;
    width: 30px;
    left: 0;
    top: -150px;
    background: #ccc;
    z-index: 100;
}

.card7 .demo7 #volume7 {
    font-size: 16px;
    padding: 0px;
    color: #ebebeb;
    z-index: 100;
    position: relative;
    background: #ccc;
}

.card7 .demo7 .per7 {
    height: 100px;
    background: #fefefe;
    margin: 10px;
    position: relative;
    z-index: 100;
    margin-top: 0;
    padding-top: 30px;
}

.card7 .demo7 .per7 .bar7 {
    height: 50%;
    background: #d3f5ae;
    position: absolute;
    width: 100%;
    bottom: 0;
}
.card7 #demo7-icon {
    position: relative;
    font-size: 30px;
}

.card7 .demo7 .container7 {
    height: 100px;
    position: absolute;
    top: -100px;
    width: 100%;
    z-index: 2;
}

.card7 .demo7 .container7 .pointer7 {
    position: absolute;
    top: 0;
    left: -35px;
    width: 100px;
    height: 10px;
    background: #ccc;
    cursor: pointer;
}

.card7 .demo7 .container7 .bar77 {
    height: 100%;
    background: #ccc;
    margin: 0 auto;
    width: 7px;
}
/* continue */
.continue{
    text-align: center;
    line-height: 280px;
    height: 100%;
    font-size: 50px;
    color: #585858;
}