h1, h2, h3, h4, p, a {
   font-family: Futura,Trebuchet MS,Arial,sans-serif; 
}

h3, h4{
   text-align: center;
   font-size: 40px;
   font-weight: bold;
   margin-top: 20px;
   margin-bottom: 20px;
}

h4 {
   font-size: 25px;
}

a {
   color: #000;
}

a:hover {
   color: #888;
}

.row {
   width: 100%;
   display: block;
   float: left;
   padding: 10px;
}

.description {
   width: 450px;
   float: left;
   border: 1px solid #000;
   background-color: #ddd;
   border-radius: 10px;
   height: 140px;
   padding: 20px;
   margin-left: 40px;
   vertical-align: center;
}

iframe {
   width: 700px;
   float: left;
   height: 180px;
   border-radius: 20px;
   overflow: hidden;
   -webkit-transition: max-width 0.8s, max-height 0.8s, border-radius 0.8s;
   transition: width 0.8s, height 0.8s, border-radius 0.8s;
   cursor: pointer;
}

iframe:hover {
   width: 1200px;
   height: 400px;
   border-radius: 0px;
}