.tether-element, .tether-element:after, .tether-element:before, .tether-element *, .tether-element *:after, .tether-element *:before { box-sizing: border-box; } .tether-element { position: absolute; display: none; } .tether-element.tether-open { display: block; } .tether-element.tether-theme-basic { max-width: 100%; max-height: 100%; } .tether-element.tether-theme-basic .tether-content { border-radius: 5px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); font-family: inherit; background: #fff; color: inherit; padding: 1em; font-size: 1.1em; line-height: 1.5em; }