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

html{
    width: 100vw;
}

body{
    background-color: #e9ecef;
}

header{
    background-color: black;
    margin-bottom: 75px;
}

.header-logo img{
    width: 75%;
    height: auto;
    margin-top: 150px;
    margin-bottom: 100px;
}