styles.css

/* page */

body {
    margin: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#desktop {
    width: 100%;
    height: 100vh;
    flex-direction: row;
    justify-content: space-evenly;
    display: none;
    flex-wrap: wrap;
    background: black;
}

#mobile {
    width: 100%;
    height: -webkit-fill-available;
    max-height: -webkit-fill-available;
    align-items: center;
    flex-direction: column;
    display: none;
    padding-top: 10vw;
    padding-bottom: 10vw;
    justify-content: space-between;
}

.overlay {
    width: 100vh;
    height: 70vh;
    margin-top: 15vh;
    background: white;
    position: absolute;
    border-radius: 10px;
    box-shadow: 0 0 50px rgb(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-direction: column;
    animation-name: present;
    animation-duration: 0.5s;
    transition: 0.5s;
}

@keyframes present {
    from {
        transform: scale(0.8);
        opacity: 0;
    } to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes hide {
    0% {
        transform: scale(1);
        opacity: 1;
    } 50% {
        opacity: 0;
    } 100% {
        transform: scale(0.8);
        opacity: 0;
    }
}

@keyframes reincarnate {
    from {
        transform: scale(0.8);
        opacity: 0;
    } to {
        transform: scale(1);
        opacity: 0.5;
    }
}

.title {
    font-family: -apple-system, Helvetica;
    font-weight: bold;
    font-size: 5vh;
    text-align: center;
}

.infographs {
    display: flex;
    flex-direction: row;
    width: 90vh;
    height: 30vh;
    justify-content: space-evenly;
}

.placings {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 70vh;
    height: 30vh;
    justify-content: space-evenly;
}

.Vdivider {
    margin-top: 1vh;
    margin-bottom: 1vh;
    height: 100%;
    width: 1px;
    background: rgb(0, 0, 0, 0.2);
}

.Hdivider {
    margin-top: 2vh;
    margin-bottom: 2vh;
    height: 1px;
    width: 100%;
    background: rgb(0, 0, 0, 0.2);
    color: white;
}

.infograph {
    margin-left: 3vh;
    margin-right: 3vh;
    display: flex;
    height: 100%;
    width: 30vh;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

#final {
    display: none;
}

.placing {
    width: 5vh;
    height: 5vh;
    object-fit: contain;
}

.step {
    font-family: -apple-system, Helvetica;
    font-weight: bold;
    font-size: 2vh;
}

.illustration {
    width: 20vh;
    height: 20vh;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center center;
}

.illustration>img {
    width: 20vh;
    height: 20vh;
}

#start {
    font-family: -apple-system, Helvetica;
    font-weight: bold;
}

#start:hover {
    text-decoration: underline;
    cursor: pointer;
}

#controllers {
    display: none;
    width: 60vw;
    margin-top: 10vw;
    margin-bottom: 10vw;
}

#forces {
    display: none;
    width: 60vw;
    margin-top: 10vw;
    margin-bottom: 10vw;
}

#groups {
    display: none;
    width: 60vw;
    margin-top: 10vw;
    margin-bottom: 10vw;
}

#colors {
    display: none;
    width: 60vw;
    margin-top: 10vw;
    margin-bottom: 10vw;
    flex-direction: row;
    justify-content: space-between;
}

.color {
    width: 10vw;
    height: 10vw;
    border-radius: 50%;
    opacity: 0.2;
    transition: 0.5s;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

#balls {
    height: 12vw;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#joined {
    width: 20vh;
    height: 20vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.horizontal {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.join {
    width: 8vh;
    height: 8vh;
    opacity: 0.3;
    transition: 0.5s;
}

.join:nth-child(1) {
    margin-bottom: 2vh;
}

.join:nth-child(2) {
    margin-bottom: 2vh;
}

.menu {
    width: 80vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    transition: 0.5s;
}

.ball {
    width: 12vw;
    height: 12vw;
    opacity: 0.3;
    transition: 0.5s;
}

#profile {
    width: 30vw;
    height: 30vw;
    opacity: 1;
    transition: 0.5s;
}

#center {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: 0.5s;
}

.text {
    font-family: -apple-system, Helvetica;
    font-weight: bold;
    transition: 0.5s;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.text:active {
    opacity: 0.5;
}

#styles {
    width: 100%;
    height: 100%;
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    opacity: 0;
    font-size: 0;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    border: none;
}

#character {
    width: 100%;
    height: 100%;
    transition: 0.5s;
    object-fit: contain;
}

#webcamVideo {
    width: 80vw;
    height: 70vw;
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
    object-fit: cover;
    border-radius: 10px 10px 0 0;
}

#status {
    width: 80vw;
    height: 10vw;
    background-color: rgba(0, 0, 0, 0);
    border-radius: 0 0 10px 10px;
}

#gesture {
    height: 80vw;
    width: 80vw;
    transition: 0.5s;
    object-fit: contain;
}

#canvas {
    height: 80vw;
    width: 70vw;
}

#classification {
    height: 80vw;
    width: 80vw;
    display: none;
    flex-direction: column;
}

.head {
    position: absolute;
    width: 10vw;
}

#char1 {
    padding-right: 40vw;
    padding-bottom: 25vh;
}

#char2 {
    padding-left: 40vw;
    padding-bottom: 25vh;
}

#char3 {
    padding-right: 40vw;
    padding-top: 25vh;
}

#char4 {
    padding-left: 40vw;
    padding-top: 25vh;
}

#lock {
    opacity: 1;
}

.request {
    opacity: 1;
    transition: 0.5s;
}

.locked {
    opacity: 0.1;
}

.select {
    opacity: 1;
}

.playfield {
    width: 50vw;
    height: 50vh;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.5;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    animation-duration: 4s;
}

.circle {
    width: 0;
    height: 0;
    transition: 10s;
}

.enlarge {
    width: 30vw;
    height: 30vw;
}

#segments {
    background: rgba(0, 0, 0, 0.05);
    height: 12vw;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 10px;
}

.segment {
    height: -moz-calc(100% - 2.5vw);
    height: -webkit-calc(100% - 2.5vw);
    height: calc(100% - 2.5vw);
    border-radius: 8px;
    width: 100%;
    font-size: 4vw;
    font-family: -apple-system, Helvetica;
    transition: 0.5s;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(0, 0, 0, 0.5);
}

.input {
    opacity: 0.2;
}

.selected {
    background: white;
    opacity: 1;
}