.zoom-iframe-container {
    overflow: hidden;
    padding-top: 56.25%;
    position: relative;
}

.zoom-iframe-container iframe {
    border: 0;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}

.zoom-window-wrap .button {
  -webkit-appearance: button;
  -moz-appearance: button;
  appearance: button;
  margin-bottom: 2em;
  display: inline-block;
}

.zoom-meeting-step1 .join-meeting-field {
 margin-bottom: 1em;
 display: inline-block;
}

/* 4x3 Aspect Ratio */
.iframe-container-4x3 {
padding-top: 75%;
}

ul.countdown {
    list-style: none;
    margin: 75px 0;
    padding: 0;
    display: block;
    text-align: center;
}
ul.countdown li {
    display: inline-block;
}
ul.countdown li span {
    font-size: 80px;
    font-weight: 300;
    line-height: 80px;
}
ul.countdown li.seperator {
    font-size: 80px;
    line-height: 70px;
    vertical-align: top;
}
ul.countdown li p {
    color: #a7abb1;
    font-size: 14px;
}
.source {
    width: 405px;
    margin: 0 auto;
    background: #4f5861;
    color: #a7abb1;
    font-weight: bold;
    display: block;
    white-space: pre;
    -webkit-border-radius: 3px;
       -moz-border-radius: 3px;
            border-radius: 3px;
}

/*
  ##Device = Smartphone and tablet style
  ##Screen = B/w 300px to 1024px
*/

@media (min-width: 300px) and (max-width: 414px) {
  .zoom-iframe-container {
    padding-top: 160%;
    overflow: visible;
  }
}

@media (min-width: 415px) and (max-width: 819px) {
  .zoom-iframe-container {
    padding-top: 90%;
    overflow: visible;
  }
}