Left  { float: left;   margin-right: 10px;  margin-bottom: 10px; }
.imgRight { float: right;  margin-left: 10px;   margin-bottom: 10px; }

hr { height: 1px;  color: #000;  background-color: #000;  margin-bottom: 15px; }

h1 { margin: 0;  font-weight: bold;  font-size: 2em; }
h2 { margin: 0;  font-weight: bold;  font-size: 1.6em; }
h3 { margin: 0;  font-weight: bold;  font-size: 1.3em; }
h4 { margin: 0;  font-weight: bold;  font-size: 1.18em; }

.blak { background-color: #000; }
.hide { display: none; }
.tab