body {
    font-family: 'Montserrat', sans-serif;
    background-color: #F5F7FA;
}
.main {
    display: flex;
    flex-direction: row-reverse;
    width: 1200px;
    margin: 0 auto;
}
.main_content {
    background-color: #FFFFFF;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    padding: 105px 90px;
}

.about {
    margin-bottom: 20px;
}
.about_position{
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 17px;
    color: #000000;
    margin-bottom: 20px;
}
.about_name{
    font-style: normal;
    font-weight: 700;
    font-size: 45px;
    line-height: 55px;
    color: #000000;
    margin-bottom: 25px;
}
.about_description{
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
}
/* project styles */
.projects {
   margin-bottom: 50px;
}
/* title styles */
.title{
    font-style: normal;
    font-weight: 700;
    font-size: 22px;
    line-height: 27px;
    color: #000000;
    margin-bottom: 10px;
}
.project_list{
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 24px;
    color: #000000;
    padding: 0;
    padding-left: 15px;
}
.project,
.project_link{
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
}
.project_link{
    margin-left: 10px;
}
.project_brackets{
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 24px;
    color: #000000;
}
/* work styles */
.work{

}
.position{
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    line-height: 20px;
    color: #000000; 
    margin-bottom: 10px;
}
.organization{
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    line-height: 20px;
    color: #FB6D3A; 
}
.period{
    font-style: normal;
    font-weight: 400;
    font-size: 12px;
    line-height: 15px;
    color: #A8A8A8;
    margin-bottom: 10px;
}
.line{
    font-style: normal;
    font-weight: 400;
    font-size: 12px;
    line-height: 15px;
    color: #000000;
}
.work_list{
    padding: 0;
    margin-left: 15px;
}
.work_list_item{
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
}
/* education styles */
.education{
margin-top: 45px;
}
.univercity{
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    line-height: 20px;
    color: #FB6D3A;
    margin-top: 10px;
    margin-bottom: 10px;
}
.specialization{
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 17px;
    color: #000000;
    margin-top: 10px;
    margin-bottom: 10px;
}
/* sidebar styles */
.sidebar {
    background-color: #1E2939;
    padding-top: 40px;
    width: 370px;
}
.photo {
    width: 370px;
    margin-bottom: 50px;
}
.sidebar_title {
color: #FFFFFF;
font-style: normal;
font-weight: 700;
font-size: 22px;
line-height: 27px;
margin-bottom: 10px;
}
.contacts,
.tech_skills,
.soft_skills {
    margin-left: 40px;
}
.contacts {
    margin-bottom: 50px;
}
.soft_skills {
    margin-top: 45px;
}
.contact_type {
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 24px;
    color: #FFFFFF;
    margin-right: 5px;
}
.contact_link {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #8E949C;
}
.skills_list {
    color: #FB6D3A;
    padding: 0;
    margin-left: 20px;
}
.skills_text {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #FFFFFF;
}

.back-link {
    position: absolute;
    top: 40px;
    right: 30pxpx;
    text-decoration: none;
    font-size: 12px;
    color: gray;
}

.back-icon {
    fill: gray;
    height: 15px;
}