* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: #fff;
}

header {
    background-image: linear-gradient(90deg, #222 35%, transparent 50%, #222 65%);
    width: 100%;
    padding: 20px;
    position: relative;
}

.header-logo {
    color: #fff;
    font-size: 72px;
    padding: 5px 50px 30px 50px;
}

.header-background {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background-image: url(/resources/image/banner.jpg);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    height: 100%;
    z-index: -1;
}

.middle {
    width: 1300px;
    margin: 20px auto;
    display: flex;
    justify-content: space-between;
}

.content {
    width: 950px;
}

.aside {
    width: 300px;
}