@-webkit-keyframes spin {
    0%   {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes spin {
    0%   {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.rotate-model-section {
    position: relative;
    width: 75vw;
    height: 75vh;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

#loading-screen {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    opacity: 1;
    transition: 1s opacity;
}

#loading-screen.fade-out {
    opacity: 0;
}

#loader {
    display: block;
    position: relative;
    left: 50%;
    top: 50%;
    width: 150px;
    height: 150px;
    margin: -75px 0 0 -75px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #9370DB;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

#loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #BA55D3;
    -webkit-animation: spin 3s linear infinite;
    animation: spin 3s linear infinite;
}

#loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #FF00FF;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite;
}

.play-button-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 3;
    top: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #ffffff;
    cursor: pointer;
    transition: all 300ms;

    @media only screen and (min-width: 768px) {
        gap: 48px;
    }
}

.play-button-bg > img {
    width: 80px;
    height: 80px;

    @media only screen and (min-width: 768px) {
        width: auto;
        height: auto;
    }
}

.play-button-bg:hover {
    @media only screen and (min-width: 768px) {
        transform: scale(1.2);
    }
}