* {
    margin: 0;
	padding: 0;
    border: 0;
    font-size: 100%;
    box-sizing: border-box;
}

body {
    background: black; 
}

/* Portfolio */

.wrapper {
    margin: 0 40px;
}

.header {
    width: 1020px; 
    margin: 0 auto;
    background-color: #2d303a;
    border-bottom: 6px solid #323746;
}

p {
    font-family: "Lato";
    text-align: left;
}

.header-title {
    padding: 68px 0 28px 0;
    letter-spacing: 0.6px;
    font-size: 30px;
    line-height: 18px;
    color: #666d89;
    font-weight: 900;
}

.header-description {
    letter-spacing: -0.20px;
    word-spacing: 0.35px;
    width: 940px;
    font-size: 18px;
    line-height: 30px;
    color: #767e9e;
    font-weight: 300;
}

.header__navigation{
    padding: 11px 0 21px 0;
}

.navigation {
    display: flex;
    list-style-type: none;
}

a {
    text-decoration: none;
}

.navigation li:hover{
    background-color: #363946;
    border-color: #919bc2;
    transition: all .3s;
    color: #f7f0f0;
    
}

.navigation li {
    height: 22px;
    border-radius: 5px;
    background-color: transparent;
    border: 1px solid #666d89;
    font-size: 12px;
    line-height: 22px;
    color: #767e9e;
    font-family: "Lato";
    font-weight: 400;
    text-align: center;
    margin-right: 10px;
}

.button-all{
    border: 1px solid #ffffff !important;
    color: #ffffff !important;
    width: 29px;
}
.button-web-design {
    width: 78px;
}
.button-graphic-design{
    width: 93px;
}
.button-artwork{
    width: 57px;
}

/* section with picture*/

.art-navigation{
    height: 668px;
}

.art-colletion {
    height: 618px;
	display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.art-colletion-img:nth-child(12) {
	display: none;
}

.img-collection {
    width: 220px;
    height: 187px;  
}

/* About us*/

.footer {
    height: 728px;
    width: 1020px; 
    margin: 0 auto;
    background-color: #f2f2f2;
    border-bottom: 6px solid #ffffff; 
}

.about-us {
    padding: 68px 0 28px 0;
    letter-spacing: 0.6px;
    font-size: 30px;
    line-height: 18px;
    color: #666d89;
    font-weight: 900;
}

.footer-description {
    letter-spacing: -0.20px;
    word-spacing: 0.35px;
    width: 940px;
    height: 57px;
    font-size: 18px;
    line-height: 30px;
    color: #767e9e;
    font-weight: 300; 
    text-align: justify;    
}

.contacts {
    margin-top: 46px;
    display: flex;
    justify-content: space-between;
}

.contact-box {
    height: 443px;
    width: 300px; 
}
.contact-name{
    font-size: 18px;
    line-height: 18px;
    color: #666d89;
    font-weight: 900;
    padding: 12px 0px 10px 0px;
    white-space: nowrap;
}

.contact-description{
    width: 299px;
    font-size: 12px;
    line-height: 22px;
    color: #767e9e;
    font-weight: 400;
    padding: 2px 0px 22px 0px;
    text-align: justify;   
}

.contact-img {
    padding-right: 4px;
}