html,
body {
    min-height: 100%;
}
html {
    box-sizing: border-box;
}
body {
    height: 100%;
    font-family: "avenir next", avenir, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1em;
    line-height: 1.5;
    color: #000;
    background: #fff;
    background:radial-gradient(ellipse at center, rgba(255,254,234,1) 0%, rgba(255,254,234,1) 35%, #B7E8EB 100%);
}
*,
*::before,
*::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0
}
.container {
    margin: 0 auto;
    min-height: 100vh;
    max-width: 2048px;
    padding: calc(1rem + 1vw);
}
.header {
    display: flex;
}
@media (max-width: 480px) {
    .header {
        flex-wrap: wrap;
    }
    .header_text {
        margin-top: 0rem;
    }
    .header_subtitle {
        margin-top: 0.5rem;
    }
}
.header_subtitle {
    color: #676767;
    font-size: 1.5rem;
}
.content {
    margin-top: 1rem;
    font-size: 1.5rem;
}
.contacts_item {
    display: inline-block;
    padding: 0.5em 1em 0.5em 0;
}
@media (max-width: 480px) {
    .content {
        margin-top: 0.5rem;
        font-size: 1.5rem;
    }
    .contacts_item {
        display: inline-block;
        padding: 0.3em 0.5em 0.3em 0;
    }
}
ul {
    list-style: none;
}
a {
    display: inline-block;
    color: #007ACC;
    text-decoration: none;
}
a span {
    border-bottom: #BDDEF2 solid 3px;
}

.channel_title,
.projects_title,
.blog_title,
.meetups_title {
    font-size: 1.5rem;  
    margin: 1.5em 0 0.5em;
}

.projects_links__item,
.blog_links__item,
.meetups_links__item {
    margin-bottom: 1em;
}

.projects_loader,
.meetups_loader,
.blog_loader,
.item_date,
.item_text {
    color: #676767;
    font-size: 1rem;
}

.item_text {
    margin-top: 0.5em;
}

.channel_info,
.channel_link span,
.item_link span {
    font-size: 1.2rem;
}

.projects_links__item .item_link::after {
    content: 'Open Source';
    font-size: 0.5em;
    margin-left: 0.5em;
    color: #ffffff;
    background-color: red;
    border-radius: 1em;
    padding: 0.2em 0.5em;
}