.page {
    padding-top: 5vw;
}
.page h1 {
    margin-top: 2vw;
}
.page .articles {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    list-style-type: none;
}
.page .articles .article {
    width: 95vw;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    list-style-type: none;
}
.page .articles .article .text_presentation_title {
    width: auto;
    text-align: left;
    margin-right: auto;
    padding-left: 0;
}
.blog_subtitle {
    width: 95vw;
    font-family: Raleway;
    font-weight: 700;
    font-size: 1.4vw;
    line-height: 1.5vw;
    text-align: center;
    margin-top: 2vw;
}
.page .articles .article .section {
    margin-top: 2vw;
}
.page .articles .article .section.text {
    font-family: Raleway;
    font-weight: 500;
    font-size: 1vw;
    line-height: 1.75vw;
}
.page .articles .article .section ul li:first-child {
    margin-top: 0vw;
}
.page .articles .article .section ul li {
    margin-top: 1vw;
}
.page .articles .article .section.subtitle {
    font-family: Raleway;
    font-weight: 500;
    font-size: 1.4vw;
    line-height: 1.75vw;
}
.page .articles .article .section.image {
    margin-left: auto;
    margin-right: auto;
}
.page .articles .article .section.image img {
    width:  40vw;
}
.page .articles .article .section.youtube {
    margin-left: auto;
    margin-right: auto;
}
.page .articles .article .section.youtube embed {
    width: 45vw;
    height: 25.3125vw; /* 45*9/16 */
}
.date {
    color: #999999;
}

@media (max-width: 960px) {
    .page {
        padding-top: 15vw;
    }
    .page .articles .article .section.youtube embed {
        width:  90vw;
        height: 50.625vw; /* 90*9/16 */
    }   
    .page .articles .article .section.image img {
        width:  90vw;
    } 
    .page .articles .article .section.text {
        font-family: Raleway;
        font-weight: 500;
        font-size: 3vw;
        line-height: 4vw;
    }
    .page .articles .article .section.subtitle {
        font-family: Raleway;
        font-weight: 500;
        font-size: 3vw;
        line-height: 4vw;
    }
    .blog_subtitle {
        font-size: 3vw;
        line-height: 4vw;
    }
}