* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-size: 16px;
    color: #f9f9f9;
    background-color: #040714;
    font-family: Avenir-Roman, sans-serif;    
    font-style: normal;font-weight: normal;
}

.header {
    top: 0;
    z-index: 1;
    width: 100%;
    display: flex;
    position: fixed;
    min-height: 75px;
    align-items: center;
    padding-inline: 35px;
    box-sizing: border-box;
    background-color: inherit;
    justify-content: space-between;
}

.header .brand {
    width: 70px;
}

.header .brand img {
    width: 100px;
}

.btn {
    cursor: pointer;
    border-radius: 4px;
}

.header .button-container .login-btn {
    font-size: 17px;
    color: #f9f9f9;
    padding: 8px 16px;
    background-color: transparent;
    border: 1px solid currentColor;
    transition: background-color 0.2s;
}

.header .button-container .login-btn:hover {
    background-color: hsla(0, 0%, 98%, 25%);
}