.shoes-app { font-family: Arial, sans-serif; }
.shoes-banner { font-size: 48px; }
.shoes-title { font-size: 34px; }
.shoes-subtitle { font-size: 26px; }
.shoes-tagline { font-size: 18px; }
.shoes-caption { font-size: 14px; }
.shoes-para { font-size: 12px; }
.shoes-inscription { font-size: 10px; }

.shoes-stack .shoes-element { display: block; }

.shoes-app { font-family: Arial, sans-serif; position: relative; }
.shoes-banner { font-size: 48px; }
.shoes-title { font-size: 34px; }
.shoes-subtitle { font-size: 26px; }
.shoes-tagline { font-size: 18px; }
.shoes-caption { font-size: 14px; }
.shoes-para { font-size: 12px; }
.shoes-inscription { font-size: 10px; }

.shoes-app-canvas { position: absolute; left: 0; top: 0; height: 100%; width: 100%; }

.shoes-stack .shoes-element { display: block; }

Make app canvas expand to size of app container
Make app canvas expand to size of app container
