html {
    background-color: #d4d4d4;
}

body {
    margin: 0 auto;
    padding: 2em 2em 4em;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5em;
    color: #8e8e8e;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3em;
    margin-left: 10px;
}
a {
    color: #8e8e8e;
}
a:hover {
    color: #FFFFFF;
}
iframe, img {
    margin: 10px;
/*     border: 1px #d4d4d4 solid; */
    border: 0px fuchsia solid;
    overflow: hidden;
    iframe::-webkit-scrollbar {  
        display: none;
    };
}

.stacked {
    display: flex;

}
.float {
    display: inline-flex;
    vertical-align: top;
}
.b300x250 {
    width: 300px;
    height: 250px;
}
.b728x90 {
    width: 728px;
    height: 90px;
}
.b300x600 {
    width: 300px;
    height: 600px;
}
.b600x566 {
    width: 600px;
    height: 566px;
}