h1,
h3,
h4,
h5,
p,
span,
a,
div {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #F5F7FA;
}

/* main styles */
.main {
    display: flex;
    flex-direction: row-reverse;    
    width: 1200px;
    margin: 0 auto;
}

/* main-content styles */
.main-content {
    background-color: #fff;
    border: 1px solid #000000;
    box-shadow: 6px 6px 20px rgba(0, 0, 0, 0.1);

    /* отступы сверху/снизу по 70, слева/справа по 90 */
    padding: 70px 90px;
}

/* about styles */
.about {
    background-color: #FFFFFF; 
    /* margin-left: 90px;
    margin-right: 335px;
    margin-top: 100px; */
    margin-bottom: 45px; 
    /* filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25)); */
}
.about-position {
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 17px;
    margin-bottom: 20px;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25), 0px 4px 4px rgba(0, 0, 0, 0.25);
}
.about-name {
    font-style: normal;
    font-weight: 700;
    font-size: 45px;
    line-height: 55px;
    margin-bottom: 25px;
    filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25));
}

.about-txt {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
    width: 405px;
    filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25));
}
/* projects styles */
.projects {
    background: #FFFFFF ;
    /* внешние отступы */
    margin-bottom: 50px;
    /*margin-left: 200px;*/
    margin-right: 100px; 

    /* top right bottom left */
    /* margin: 50px 400px 30px 500px; */

    /* по 50px со всех сторон */
    /* margin: 50px; */

    /* сверху/снизу по 20px, слева/справа по 50px */
    /* margin: 20px 50px; */

    /* внутринние отступы */ 
    /* padding-top: 100px;
    padding-right: 50px;
    padding-bottom: 100px;
    padding-left: 50px; */

    /* padding: 100px 50px 100px 50px;
    padding: 100px 50px;
    padding: 20px; */
}
.title { 
    font-style: normal;
    font-weight: 700;
    font-size: 22px;
    line-height: 27px;
    color: #000000;
    margin-bottom: 10px;
}
.projects-list {
    padding: 0px;
    margin-left: 20px;
}

.projects-item,
.project-bracket {
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 24px;
    color: #000000;
}
.project,
.project-link {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
    /* text-decoration: none */
}
.project-link {
    margin-left: 10px;
}
/* work styles */
.work {
    background: #FFFFFF;
}
.work-position {
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    line-height: 20px;
    color: #000000;
    margin-bottom: 10px;
}
.work-projects{
    font-style: normal;
    font-weight: 400;
    font-size: 10px;
    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: 5px;
}
.period-line {
    font-style: normal;
    font-weight: 700;
    font-size: 12px;
    line-height: 15px;
    color: #000000;
}
.work-list {
    padding: 0px;
    margin-left: 20px;
    margin-bottom: 25px;
}
.work-list-item {
    padding: 0px;
    font-weight: 700;
    font-style: normal;
    font-size: 14px;
    line-height: 24px;
    color: #000000;
    /* color: #595959; */
}
.work-item {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #595959;
}


/* education styles */
.education {
    background: #FFFFFF;
 }
.education-univer {
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    line-height: 20px;
    color: #FB6D3A;
    margin-bottom: 5px;
}
.education-univer2 {
    font-style: normal;
    font-weight: 700;
    font-size: 12px;
    line-height: 16px;
    color: #FB6D3A;
    margin-bottom: 5px;
}
.education-item {
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 17px;
    color: #000000;
    margin-bottom: 5px;
}
.period-ed {
    font-style: normal;
    font-weight: 400;
    font-size: 12px;
    line-height: 15px;
    color: #A8A8A8;
    margin-bottom: 15px;
}
/* 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 {
    margin-left: 40px;
    margin-bottom: 45px;
}

.contact-type {
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    line-height: 24px;
    color: #FFFFFF;
    margin-right: 10px;
}

.contact-link {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #FFFFFF;

    /* непрозорість */
    opacity: 0.5;
}
.skills-list {
    color: #FFFFFF;
    padding-left: 20px;
}
.li {
    color: #FB6D3A;
}
.skills-text {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #FFFFFF;
}