* {
    box-sizing: border-box;
}

#wrapper {
    background-color: white;
}

#usage-header {
    background-color: #EFEFEF;
    width: 100%;
    padding-bottom: 6px;
    padding-left: 35px;
    padding-right: 35px;
    text-align: center;
    box-sizing: border-box;
}

    #usage-header > h1 {
        color: black;
    }

h2 {
    font-size: 1.5em;
    color: #242729;
}

.usage-subheader {
    text-align: center;
}

.usage-content {
    padding-left: 35px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.usage-content-centered {
    text-align: center;
}

.usage-subheader > h2 {
    font-size: 1.875em;
    padding-top: 10px;
    color: #242729;
}

#related {
    background-color: #EFEFEF;
    padding-left: 35px;
    padding-right: 35px;
    padding-bottom: 10px;
    padding-top: 10px;
    margin-top: 30px;
    text-align: center;
}

    #related a {
        margin: 0px 18px 0px 18px;
        overflow-wrap: break-word;
        white-space: nowrap;
    }

#usage-image {
    padding: 0;
    margin: 0;
    background-repeat: repeat-x;
    background-position: center;
    text-align: center;
    overflow: hidden;
}

.usage-description {
    padding-bottom: 10px;
    clear: both;
}


#usage-video {
    padding-top: 30px;
    width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

.video-wrapper {
    width: 90%;
    max-width: 854px;
    float: left;
}


.video-container {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px;
    height: 0;
    overflow: hidden;
}

.description-block {
    font-size: 15px;
    padding-left: 15%;
    padding-right: 15%;
    text-align: justify;
    box-sizing: content-box;
}

.description-block img {
    margin-right: 10px;
    margin-left: 10px;
    margin-bottom: 5px
}

.general-description-block {
    font-size: 15px;
    padding-left: 15%;
    padding-right: 15%;
    padding-top: 20px;
    clear: both;
    text-align: justify;
    box-sizing: content-box;
}

.instruction-block {
    float: left;
    font-size: 12px;
    padding-left: 20px;
    padding-right: 10px;
    width: 300px;
}

    .instruction-block ul {
        padding-left: 20px;
        margin-top: 5px;
    }



.video-container iframe, .video-container object, .video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


@media only screen and (max-width: 960px) {
    #usage-header {
        padding-left: 10px;
        padding-right: 10px;
    }


    .usage-content {
        padding-left: 10px;
    }

    #related {
        padding-left: 10px;
        padding-right: 10px;
    }
}


@media only screen and (max-width: 1690px) {
    .instruction-block {
        display: none;
    }


    .description-block {
        padding-right: 10%;
        padding-left: 10%;
    }

    .general-description-block {
        padding-right: 10%;
        padding-left: 10%;
    }

    #usage-video {
        width: auto;
    }

    .video-wrapper {
        float: none;
        margin-left: auto;
        margin-right: auto;
    }
}

@media only screen and (max-width: 1400px) {

    .description-block {
        padding-right: 5%;
        padding-left: 5%;
    }

    .general-description-block {
        padding-right: 5%;
        padding-left: 5%;
    }
}