main.css

body {
  margin: 0;
  background-color: #FFFFFF;
}

.top {
  width: 100%;
  height: auto;
  margin: 0 auto;
  
  position: relative;
  display: table-cell;
  vertical-align: middle;
  //width: 100vw;
}

.banner {
  width: 100%;
}

.header {
  z-index: 100;
  padding: 5px;
  margin: 0px;
  border-top: 4px solid white;
  border-bottom: 4px solid white;
  
  width: 100%;
  top: 50%;
  box-sizing: border-box;
  position: absolute;
  //position: relative;
  //transform: translateY(-50%);
  
  font-family: Futura,Trebuchet MS,Arial,sans-serif;
  //font-family: Arial Rounded MT Bold, Helvetica Rounded, Arial, sans-serif;
  font-size: 300%;
  background-color: rgba(255,255,255,0.5);
  color: white;
}


.center {
  width:calc(100% - 16px);
  margin: 8px;
  //box-sizing: border-box;
}

.content {
  
  background-color: #FFFFFF;
  border-left: 1px solid grey;
  border-right: 1px solid grey;
  font-size: 20px;
  text-align: center;
  color: #333333;
  
  //display: table;
  margin: 0 auto;
  padding: 8px;
  max-width: 768px;
  width:100%;
  box-sizing: border-box;
}

.footer {
    //width: 100%;
    //height: 75px;
    background-color: #272727;
    color: #CCCCCC;
    font-family: Lucida Sans, monospace;
    font-size: 14px;
    
    left: 0px;
    //overflow: hidden;
    //border-radius: 0px;
    margin: 0px;
    padding: 5px;
    display: block;
}