*, *:before, *:after {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
}
h1, h2, h3, h4 {
    font-family: 'Noto Serif', serif;
}

h2 {
    font-size: 2em;
}

h3 {
    padding-bottom: 20px;
}

h5 {
    font-size: 1.2em;
}

p {
    font-size: 1em;
}

a, p, h5 {
    font-family: 'Quicksand', sans-serif;
    margin-bottom: 5px;
}

html {
    scroll-behavior: smooth;
}
html, body {
    height: 100%;
}

.header {
    padding: 0 3%;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 50;
    color: white;
}

.header:before {
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: black;
    position: absolute;
    z-index: 2;
}

.content {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 10px;
}

.header_body {
    position: relative;
    display: flex;
    justify-content: space-between;
    height: 80px;
    align-items: center;
}

.header_burger {
    display: none;
}

.header_list {
    display: flex;
    position: relative;
    z-index: 3;
}

.header_list li {
    list-style: none;
    margin: 0 0 0 20px;

    text-decoration: none;
}

.header_link a {
    font-size: 15px;
    text-decoration: none;
    color: white;
}

.content {
    padding: 100px 0 0 0;
}

.container_text {
    font-size: 10px;
    line-height: 15px;
}

.container_text p {
    margin: 0 0 30px 0;
}

body {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #48484c;
}

main>div {
    padding-top: 90px;
    background-color: white;
}


.block_heading {
    text-align: right;
    margin: 0 12.5% 25px 0;
}

.my_info {
    justify-content: center;
    align-items: center;
}

.my_info-communication {
    padding: 5px 0;
}

.my_info_wrapper {
    text-align: center;
}

.my_info>div {
    margin: 0 50px;
}

.my_info-text ul {
    list-style: none;
    margin: 0 50px;
}

.my_info-text a {
    text-decoration: none;
    color: black;
}

.my_info-text p {
    display: inline;
}

.my_info-photo {
    border-radius: 50%;
    width: 300px;
    height: 300px;
    overflow: hidden;
}

.my_info-photo img {
    position: relative;
    top: -75px;
    width: 100%;
}

.CVDownload {
    padding: 10px 40px;
    position: relative;
    top: 40px;
    border: 1px solid black;
    border-radius: 5px;
}

.CVDownload:hover {
    background-color: black;
    color: white;
}

.work-text, .education-text, .cource-text, .skills-text, .my_info {
    display: flex;
}

.work-text>div, .education-text>div, .cource-text>div, .skills-text>div {
    padding: 30px 20px;
}

.dates {
    width: 33%;
    text-align: right;
    border-right: 1px solid black;
    position: relative;
}

.work-info, .education-info, .cource-info, .skills-info {
    width: 67%;
}

.dates:after {
    content: '';
    display: block;
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    border: 2px solid black;
    background-color: black;
    right: -3px;
    top: 37px;
}

img {
    width: 33%;
}

.projects-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.projects-info {
    width: 60%;
    padding: 10px 0;
}

.projects-info img{
    width: 100%;
}

.projects-info a {
    text-decoration: none;
    color: black;
}

.contacts {
    padding-bottom: 30px;
}

.contacts ul {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    list-style: none;
    padding: 0 40px;
}

.contacts li {
    min-width: 200px;
}

.contacts a {
    color: black;
    text-decoration: none;
}

@media screen and (max-width: 767px) {
    .header_body {
        height: 50px;
    }
    .header_logo {
        flex: 0 0 40px;
    }
    .header_burger {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        z-index: 3;
    }
    .header_burger span {
        position: absolute;
        background-color: #fff;
        left: 0;
        width: 100%;
        height: 2px;
        top: 9px;
        transition: all 0.7s ease 0s;
    }
    .header_burger:before, .header_burger:after {
        content: '';
        background-color: #fff;
        position: absolute;
        width: 100%;
        height: 2px;
        left: 0;
        transition: all 0.5s ease 0s;
    }
    .header_burger:before {
        top: 0;
    }
    .header_burger:after {
        bottom: 0;
    }
    .header_burger.active:before {
        transform: rotate(45deg);
        top: 9px;
    }
    .header_burger.active:after {
        transform: rotate(-45deg);
        bottom: 9px;
    }
    .header_burger.active span {
        transform: scale(0);
    }
    .header_menu {
        position: fixed;
        overflow: auto;
        left: -100%;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: black;
        padding: 70px 10px 10px 10px;
        transition: all 0.5s ease-out 0s;
    }
    .header_menu.active {
        left: 0;
    }
    .header_list {
        display: block;
    }
    .header_list li {
        margin: 0 0 20px 0px;
        text-align: center;
    }
    .content {
        padding: 60px 0 0 0;
    }
    body.lock {
        overflow: hidden;
    }
    .my_info-text ul {
        margin: 0;
    }
    .my_info-photo {
        display: none;
    }
    .work-text>div, .education-text>div, .cource-text>div, .skills-text>div {
        padding: 30px 5px;
    }
}
@media screen and (max-width: 900px){
    .my_info-photo {
        width: 200px;
        height: 200px;
    }
    .my_info-photo img {
        top: -60px;
    }
    .projects-info {
        width: 90%;
    }
}