*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.header {
    background-color: #f2f1ef;
    width: 100%;
    -webkit-box-shadow: 0px 2px 9px -1px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px 2px 9px -1px rgba(0,0,0,0.75);
    box-shadow: 0px 2px 9px -1px rgba(0,0,0,0.75);
}

.box-video,
.box-money {
    width: 768px;
    height: 432px;
}
.video {
    width: 768px;
    height: 432px;
}

.w-32 {
    width: 32px;
}

.h-32 {
    height: 32px;
}

.bg-1 {
    background-image: url(../asset/NACC2_T2_mathtools_default.png);
    background-repeat: no-repeat;
    background-size: cover;
}
.bg-2 {
    background-image: url(../asset/NACC2_T2_glossary_default.png);
    background-repeat: no-repeat;
    background-size: cover;
}
.bg-3 {
    background-image: url(../asset/player_ui.png);
    background-repeat: no-repeat;
    /* background-size: cover; */
    background-position: -191px 0px;
}

/* background-image: url(product/player_ui.png);
background-position: -102px -34px; */

.box-fb-1 {
    top: 350px;
    left: 260px;
    display: none;
}

.feedback1 {
    background-color: #0e86c6;
    /* display: inline-block; */
    padding: 15px;
    border-radius: 50px;
    color: #fff;
    border: 3px solid #fff;
    -webkit-box-shadow: 10px 10px 22px -16px rgba(0,0,0,0.75);
    -moz-box-shadow: 10px 10px 22px -16px rgba(0,0,0,0.75);
    box-shadow: 10px 10px 22px -16px rgba(0,0,0,0.75);
    /* margin-left: 25px; */
    cursor: pointer;
    position: relative;
    text-align: center;
}

.box-good,
.box-bad {
    display: inline-block;
    margin-left: 25px;
}

.good-fb-1,
.bad-fb-1 {
    width: 50px;
    height: 50px;
    margin: 5px auto;
    opacity: 0;
}

.good-fb-1 { 
    background-image: url(../asset/IMG456287.png);
    background-size: cover;
    background-position: -200px 0;
    background-repeat: no-repeat;
}

.bad-fb-1 { 
    background-image: url(../asset/IMG456286.png);
    background-size: cover;
    background-position: -200px 0;
    background-repeat: no-repeat;
}

.box-robot {
    width: 140px;
    position: absolute;
    top: 250px;
    left: 610px;
}

.icon-megaphone {
    width: 40px;
    height: 40px;
    background-image: url(../asset/player_buttons.png);
    background-repeat: no-repeat;
    /* background-size: cover; */
    background-position: -5px -47px;
}

.box-1,
.box-2 {
    background-color: transparent;
    width: 164px;
    height: 164px;
    display: inline-block;
}

.box-box {
    top: 137px;
    left: 336px;
    width: 350px;
    height: 164px;
    position: absolute;
}


.box-imgs {
    position: absolute;
    top: 130px;
    left: 155px;
}

.img-dragg-1 {
    width: 90px;
    margin-bottom: 8px;
}
.img-dragg-2 {
    width: 40px;
    margin-bottom: 15px;
}
.img-dragg-3 {
    width: 30px;
    
}

ul {
    list-style: none;
}

.btn-play-video {
    background-color: rgba(0, 0, 0, .7);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: absolute;
    top: 218px;
    left: 335px;
}

.btn-play-video img {
    width: 30px;
}

.arrow {
    width: 110px;
    position: absolute;
    top: -145px;
    left: 460px;
}

/*-----------------------------*/

.slidecontainer {
    width: 740px;
    position: relative;
}

.slider {
    -webkit-appearance: none;
    width: 248px;
    height: 2px;
    border-radius: 5px;
    background: #000;
    outline: none;
    /* opacity: 0.7; */
    -webkit-transition: .2s;
    transition: opacity .2s;
    position: absolute;
    top: 161px;
    left: 73px;
    transform: rotate(90deg);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 0 #fff solid;
    background: #8bc73e;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 0 #fff solid;
    background: #8bc73e;
    cursor: pointer;
}

.frase {
    position: absolute;
    top: -190px;
    left: -220px;
    color: #0e86c6;
    font-weight: bold;
}