* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: #efefef;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.custom-element {
    display: block;
    overflow: hidden;
}

.custom-element.inline-element {
    display: inline-block;
}

.custom-element.flex-element {
    display: flex;
}

.custom-element.flex-element.inline-element {
    display: inline-flex;
}

.custom-element.grid-element {
    display: grid;
}

.custom-element.grid-element.inline-element {
    display: inline-grid;
}