Cacher is the code snippet organizer for pro developers

html {
        box-sizing: border-box;
      }
      
.panels {
        min-height: 100vh;
        overflow: hidden;
        display: flex;
      }

.panel {
        background: #6b0f9c;
        box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.1);
        color: white;
        text-align: center;
        align-items: center;
        /* Safari transitionend event.propertyName === flex */
        /* Chrome + FF transitionend event.propertyName === flex-grow */
        transition: font-size 0.7s cubic-bezier(0.61, -0.19, 0.7, -0.11),
          flex 0.7s cubic-bezier(0.61, -0.19, 0.7, -0.11), background 0.2s;
        font-size: 20px;
        background-size: cover;
        background-position: center;
        flex: 1;
        justify-content: center;
        display: flex;
        flex-direction: column;
      }
      
.panel > *:first-child {
        transform: translateY(-100%);
      }

.panel.open-active > *:first-child {
        transform: translateY(0);
      }

.panel > *:last-child {
        transform: translateY(100%);
      }

.panel.open-active > *:last-child {
        transform: translateY(0);
      }