@font-face {
    font-family: "Montserrat Bold";
    src: url("../fonts/Montserrat-Bold.woff2"), format("woff2"),
         url("../fonts/Montserrat-SemiBold.svg"), format("svg");
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: "Montserrat SemiBold";
    src: url("../fonts/Montserrat-SemiBold.ttf"), format("ttf"),
        url("../fonts/Montserrat-SemiBold.woff2"), format("woff2"),
        url("../fonts/Montserrat-SemiBold.svg"), format("svg");
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: "Tahoma Regular";
    src: url("../fonts/Tahoma.woff2"), format("woff2"),
         url("../fonts/Tahoma.svg"), format("svg");
    font-weight: 400;
    font-style: normal;
}

body {
    margin: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

#iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.control {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 10px;
    position: absolute;
    right: 60px;
    bottom: 60px;
}

.back-button,
.resume-button,
.stop-button {
    padding: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 7px;
    background-color: #000;
    color: #FFF;
    border: 1px solid transparent;
    border-radius: 15px;
    cursor: pointer;
}

.back-button:hover,
.resume-button:hover,
.stop-button:hover {
    background-color: rgba(0, 0, 0, 0.85);
}

.back-button {
    padding: 10px 16px;
    font-family: "Montserrat SemiBold";
    font-size: 16px;
    text-transform: uppercase;
}

.preloader-wrapper {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.preloader {
    display: block;
    position: relative;
    width: 150px;
    height: 150px;
    margin: 30px auto;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #000;
    animation: preloader-spin 2s linear infinite;
}
.preloader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #D0CFCF;
    animation: preloader-spin 3s linear infinite;
}
.preloader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #000;
    animation: preloader-spin 1.5s linear infinite;
}
@keyframes preloader-spin {
    0%   {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}