* {
  box-sizing: border-box;
}
.up {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px;
  border: black 1px solid;
  background-color: orange;
}
body {
  background: #57b0b1;
  font-family: Arial, Verdana, Helvetica, sans-serif;
}
.figclass {
  margin:60px;
}
.figcapclass {
  margin-top: 10px;
}
.iconvorn {
  margin-left: 160px;
  margin-bottom: 40px;
}
.but {
width: 100px;
height: 100px;
font-size: x-large;
margin-bottom: 7px;
border-radius: 50%;
}