body {
    /*background: linear-gradient(45deg, white, rgba(93, 121, 160, 0.7));*/
    /*display: none;*/
    background-repeat: repeat-x;
}

main {
    font-family: Montserrat, sans-serif;
    /*outline: 3px solid red;*/
    /*position: absolute;*/
    width: 950px;
    margin: auto;
    display: flex;
    /*margin-top: 10px;*/
    /*justify-content: space-between;*/
    position: relative;
}

.background_line {
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    z-index: -1;
}

.left_area {
    max-width: 100%;
}

.left_title {
    font-size: 20px;
    color: white;
    /*font-weight: bold;*/
}

.left-navigation {
    font-weight: 500;
    background: white;
    border: 4px solid white;
    font-size: 0.9rem;
    /*margin-top: 20px;*/
    text-transform: uppercase;
    margin-bottom: 25px;
}

.left-navigation__link {
    padding: 10px 8px 5px 8px;
    display: block;
    border-bottom: 1px solid rgba(128, 128, 128, 0.44);
    /*transition: 0.1s cubic-bezier(0.4,0,0.2,1);*/
}

.left-navigation__link:last-child {
    border: none;
    border-bottom-right-radius: inherit;
    border-bottom-left-radius: inherit;
}

.left-navigation__link:first-child {
    border-top-right-radius: inherit;
    border-top-left-radius: inherit;
}

.left-navigation__link:hover {
    color: inherit;
}

.left-navigation__link:hover,
.left-navigation__link:active,
.left-navigation__link.active {
    color: white;
}



.right_area {
    width: 681px;
    margin-left: 20px;
    margin-top: 10px;
}

.big_header_image {
    border-radius: 5px;
    border: 5px solid white;
}

.content-header {
    margin: 10px;
    margin-left: 0;
    margin-bottom: 20px;
    width: 100%;
    /*outline: 1px solid red;*/
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(128, 128, 128, 0.41);
}

.content-title {
    font-weight: bolder;
    font-size: 20px;
}


article {
    margin-top: 10px;
    /*margin: 10px;*/
    max-width: 100%;
    /*outline: 1px solid red;*/
    /*background: rgba(255, 255, 255, 0.55);*/
    /*padding: 20px;*/
    border-radius: 5px;
    /*border: 1px solid rgba(196, 196, 196, 0.67);*/

}

article > p {
    margin-bottom: 5px;
}


.slide {
    /*outline: 1px solid;*/
    width: 100%;
    margin-bottom: 20px;
}

.slide img {
    max-width: 100%;
    border-radius: 5px;
    box-shadow: rgba(155, 155, 155, 0.46) 1px 1px 8px;
}