*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{

    background:#111;

    color:#fff;

    font-family:Arial,Helvetica,sans-serif;

}

header{

    height:70px;

    background:#1d1d1d;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:0 30px;

}

header a{

    color:white;

    text-decoration:none;

    margin-left:20px;

}

.logo{

    font-size:26px;

    font-weight:bold;

}

main{

    max-width:1400px;

    margin:auto;

    padding:30px;

}

footer{

    text-align:center;

    padding:25px;

    background:#1d1d1d;

    margin-top:50px;

}