body{
    margin: 0;
    padding: 0; 
    user-select: none;
    background: rgb(70,30,80);
    background: linear-gradient(90deg, rgba(70,30,80,1) 0%, rgba(47,17,40,1) 50%, rgba(196,32,147,1) 100%);
}
.firstblock{
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 100;
}
.sneaker{
    position: absolute;
    margin-top: 100px;
    width: 30%;
    filter: brightness(1.2);
    z-index: 10;
}
.sheakerB{
    display: flex;
    justify-content: center;
}
.sheakerB>span{
    color: white;
    max-width: 100%;
    margin-top: 180px;
    position: absolute;
    font-size: 82px;
    font-family: futuraB;
    letter-spacing: 30px;
    z-index: 1;
}
.sheakerB>strong{
    color: white;
    margin-top: 470px;
    position: absolute;
    font-size: 25px;
    font-family: rubik;
}
.button>button{
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
    color: white;
    font-size: 22px;
    transition: 0.1s ease-in;
    text-decoration: underline 0.1px ;
}
.button{
    position: relative;
    margin-top: 510px;
}
.button>button:hover{
    color: black;
    background-color: white;
    font-weight: 500;
    text-decoration: none;
    padding: 1px;
}
.logo{
    position: absolute;
    font-family: futuraL;
    color: white;
    margin: 16px;
    margin-left: 36px;
}
.circle{
    margin-top: 70px;
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px white solid;
    border-radius: 50%;
    filter: blur(px);
    box-shadow: 0px 0px 30px;
    filter: opacity(40%);
}
.nikelogo{
    position: absolute;
    width: 43px;
    filter: brightness(20);
    margin: 16px;
    margin-left: 110px;
    filter: opacity(90%);
}
header{
    position: fixed;
    z-index: 999;
    width: 100%;
    height: 54px;
    background-color: rgba(17, 17, 17, 0.13);
    backdrop-filter: blur(4px);
}
header>strong{
    position: absolute;
    font-family: futuraL;
    color: white;
    margin: 16px;
    margin-left: 90px;
}
.navbar{
    position: absolute;
    width: 100%;
    display: flex;
    justify-content: center;
}
.navbar>a{
    margin: 16px;
    color: white;
    font-family: raleway;
    text-decoration: none;
}
.a1:hover{
    text-decoration: underline;
}
.a2:hover{
    text-decoration: underline;
}
.a3:hover{
    text-decoration: underline;
}
.socialnetwork>a>img{
    width: 35px;
    margin-top: 10px;
    filter: brightness(0.9);
}
.socialnetwork>a{
    display: flex;
    justify-content: right;
}
.b1{
    position: absolute;
    margin-right: 30px;
    transition: 0.2s ease-in;
}
.b2{
    position: absolute;
    margin-right: 80px;
    transition: 0.2s ease-in;
}
.b1:hover{
    filter: brightness(1.3);
}
.b2:hover{
    filter: brightness(1.3);
}
.secondblock{
    margin-top: 20px;
    position: relative;
    width: 100%;
    height: auto;
    background-color: rgb(26, 25, 25);
}
footer{
    position: relative;
    width: 100%;
    height: 55px;
    background-color: rgb(10, 10, 10);
    z-index: 999;
    display: flex;
    justify-content: center;
}
.Lorem{
    padding-top: 40px;
    color: rgba(255, 255, 255, 0.767);
    font-size: 18px;
    font-family: rubik;
}
.LoremD{
    width: 90%;
    margin-left: 10px;
}
@font-face {
    font-family: futuraB;
    src: url(fonts/Futura\ Bold\ font.ttf);
}
@font-face {
    font-family: raleway;
    src: url(fonts/Raleway-Light.ttf);
}
@font-face {
    font-family: rubik;
    src: url(fonts/Rubik-Light.ttf);
}
@font-face {
    font-family: futuraL;
    src: url(fonts/futura\ light\ bt.ttf);
}
@media screen and (max-width: 720px) {
    .navbar{
        display: none;
    }
}
@media screen and (max-width: 430px) {
    .b1{
        margin-right: 10px;
    }
    .b2{
        margin-right: 50px;
    }
    .logo{
        margin-left: 10px;
    }
    header>strong{
        margin-left: 60px;
    }
    .nikelogo{
        margin-left: 73px;
    }
}
@media screen and (max-width: 1100px) {
    .sheakerB>span{
        font-size: 50px;
        letter-spacing: 18px;
    }
    .circle{
        width: 300px;
        height: 300px;
    }
}
@media screen and (max-width: 720px){
    .sheakerB>span{
        font-size: 30px;
        letter-spacing: 15px;
        margin-top: 180px;
    }
    .sneaker{
        margin-top: 130px;
        width: 30%;
    }
    .sheakerB>strong{
        font-size: 16px;
    }
    .button>button{
        font-size: 18px;
    }
    .circle{
        margin-top: 98px;
        width: 280px;
        height: 280px;
    }
}
@media screen and (max-width: 542px){
    .sheakerB>span{
        font-size: 20px;
        letter-spacing: 10px;
        text-align: center;
        margin-left: 10px;
    }
    .sheakerB>span{
        margin-top: 160px;
    }
    .circle{
        width: 200px;
        height: 200px;
    }
}
@media screen and (max-width: 430px){
    .sneaker{
        width: 40%;
        }
    }
    .circle{
        margin-top: 70px;
        width: 260px;
        height: 260px;
    }
@media screen and (max-width: 975px){
    .sheakerB>strong{
        margin-top: 350px;
    }
    .button{
        margin-top: 400px;
    }
    .sheakerB>button{
        margin-top: 430px;
    }
}
@media screen and (min-width: 1333px){
    .sneaker{
        width: 20%;
    }
}
@media screen and (min-width: 832px){
    .circle{
        width: 400px;
        height: 400px;
        margin-top: 70px;
    }
}
@media screen and (min-width: 975px){
    .circle{
        width: 500px;
        height: 500px;
    }
}
@media screen and (min-width: 2065px){
    .sneaker{
        width: 15%;
    }
}