*{
    margin: 0;
    padding: 0;
}

.box{
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main{
    width: 300px;
    height: 225px;
}

.canvas-box{
    position: relative;
}

canvas{
    display: block;
    margin: 0 0;
}

#slider *{
    box-shadow: 0 0 0 1px hsl(0deg 0% 100% / 30%) inset, 0 0.5em 1em rgb(0 0 0 / 60%);
    background-color:black !important;
}

#slider{
    position: absolute;
    left: 0px;
    top: 0px;
    z-index: 4;
}


.bar-box{
    position: relative;
    text-align: center;
    height: 50px;
    line-height: 40px;
    margin-top: 40px;
    border: 1px solid rgb(180, 180, 180);
    background-color: rgb(238, 238, 238);
    border-radius: 3px;
    color: rgb(167, 167, 167);
    font-size: 16px;
}

.text{
    user-select: none;
    -webkit-user-seletct: none;
    -moz-user-seletct: none;
    -ms-user-seletct: none;
}
.bar{
    position: absolute;
    left: -1px;
    top: -1px;
    height: 50px;
    text-align: center;
    font-weight: bolder;
    font-size: 22px;
    width: 40px;
    line-height: 40px;
    background-color: rgb(255, 255, 255);
    cursor: pointer;
    border-radius: 3px;
    user-select: none;
    -webkit-user-seletct: none;
    -moz-user-seletct: none;
    -ms-user-seletct: none;
}