html,
body {
  height: 100%;
}

body {
  display: block;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}

.main-cad {
  display: block;
  width: 100%;
  max-width: 500px;
  margin: auto;
}

.fixed-top {
  /*  background-color: #0ea7e1; */
  background-color: #193d7e; 
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
  text-align: left;
  padding-left: 10px;
  height: 30px;
  line-height: 30px;
  color: white;
  font-size: medium;
}
.fixed-top a:link {
  color: white;
  text-decoration: none;
}
.fixed-top a:visited {
  color: white;
}
.fixed-top a:hover {
  text-decoration: underline;
}

.fixed-bottom {
  /*  background-color: #0ea7e1; */ 
  position: fixed;
  bottom: 10px;
  right: 0;
  left: 0;
  z-index: 1030;
  text-align: center;
  padding-left: 10px;
  height: 30px;
  line-height: 30px;
  color: black;
  font-size: small;
}
.fixed-bottom a:link {
  color:black;
  text-decoration: none;
}
.fixed-bottom a:visited {
  color: black;
}
.fixed-bottom a:hover {
  text-decoration: underline;
}