body { padding: 0; margin: 0 }
#unity-container { position: absolute }
#unity-container.unity-desktop { left: 50%; top: 50%; transform: translate(-50%, -50%) }
#unity-container.unity-mobile { width: 100%; height: 100% }
#unity-canvas { background: #231F20 }
.unity-mobile #unity-canvas { width: 100%; height: 100% }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty { width: 141px; height: 18px; margin-top: 10px; margin-left: 6.5px; background: url('progress-bar-empty-dark.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
#unity-footer { position: relative }
.unity-mobile #unity-footer { display: none }
#unity-webgl-logo { float:left; width: 204px; height: 38px; background: url('webgl-logo.png') no-repeat center }
#unity-build-title { float: right; margin-right: 10px; line-height: 38px; font-family: arial; font-size: 18px }
#unity-fullscreen-button { float: right; width: 38px; height: 38px; background: url('fullscreen-button.png') no-repeat center }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }

.intro {position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%); background-color: #111;}

.intro .about-section { padding: 20px 50px 40px 50px; text-align: center; background-color: #111; color: white; font-family: Arial, Helvetica, sans-serif; text-align: justify; margin: 0 }

.row { display: flex; }
/* Create three equal columns that sits next to each other */
.column { flex: 33.33%; padding: 5px; }

.intro .button { background-color: #006622; border: none; color: white; padding: 16px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; font-weight: bold ; margin: 4px 2px; border-radius: 12px; transition-duration: 0.4s; cursor: pointer; }
.intro .button:hover { background-color: #99ff99; }

.intro .button.disabled { background-color: #666; opacity: 0.6; cursor: not-allowed; }
.intro .button.disabled:hover { background-color: #666; opacity: 0.6; }

.center {display: flex; justify-content: center;}

p, li { margin: 10px 0; font-family: 'Roboto Condensed', sans-serif; }
h2 { margin-bottom: 15px; margin-top: 8px; font-family: 'Roboto Condensed', sans-serif; text-align: center }
a { color: darkturquoise; }

img { width:100%; height: auto; display: block; margin-left: auto; margin-right: auto }

.column {float: right; width: 50%; padding: 5px;}
.center_image::after { content: ""; clear: both; display: table;}