#unSupportedImage {
    color: red;
}

section {
    margin: 3em 4em 1.5em 4em;
    color: black;
    font-size: 1em;
}

article {
    clear: both;
}
.thumbnails {
    margin-bottom: 1.5em;
}

.float2 {
    float: left;
    margin-right: 1em;
    margin-bottom: .5em;
    margin-top: 0.5em;     
    width: 300px; 
    height: 200px;
    background-color: black;
 
}

.float3 {
    margin-right: 1em;
    margin-bottom: .5em;
    margin-top: 0.5em;     
    width: 300px; 
    height: 200px;
    background-color: black;
 
}

.float {
    float: left;
    margin-right: 1em;
    margin-bottom: .5em;
    width: auto; 
    height: auto;
 
}

.border {
  clear: both;
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

label {
    font-weight: 700;
}

/* mobile landscape to tablet portrait */
@media only screen and (max-width: 767px) {
    section { margin: 1em; padding: 0;}
}

@media only screen and (max-width: 479px) {
    .float2 { clear: both; float: none; margin-top: 1.5em; 
             display: block; margin-left: auto; margin-right: auto;} 
 }