body {
    display: flex;
    flex-direction: column;
    margin: 0;
    font-family: Arial, Tahoma, Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
    font-size: 100%;
    color: #4f4f4f;
}

header {
    background-color: whitesmoke;
    padding: 10px 0;
}

header > .container {
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
}

main {
    padding: 10px 0;
}

footer {
    min-height: 50px;
    background-color: #353535;
    color: gray;
    padding: 10px 0;
}

.app {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
}

.container {
    width: 1024px;
    margin: 0 auto;
}

.container.sx-wide {
    width: initial;
    margin: 0 20px;
}

.logo {
    font-weight: bolder;
    text-decoration: none;
    color: black;
}

.logo:active {
    color: red;
}

.notify-dot {
    display: inline-block;
    background-color: orangered;
    color: white;
    border-radius: 50%;
    padding: 1px 6px;
    cursor: default;
}

.ul-slim {
    margin: 0 0 0 10px;
    padding: 0;
}