header{background-color: #282828;color: #fff;height: 120px;text-align: left;position: fixed;top: 0;left: 0;width: 100%;padding: 32px 0 32px 160px;z-index: 1000;box-sizing: border-box;}.header-logo{width: 134px;height: 56px;display: block;cursor: pointer;}