*{margin: 0; padding: 0;}
a{text-decoration: none;}

html{
  height: 100%;
  width: 100%;
}

kbd{border: 1px solid red;
    width: 4em;
    height: 4em;
    display: inline-block;
    text-transform: uppercase;
    position: relative;
}
kbd > button{
  position: absolute;
  right: 0;
  bottom: 0;
  display: none;
  border-radius: 1px; 
  opacity: 0.6;
}
kbd:hover > button {
  display: inline-block;
}
body{

  background-image: url(./background-3594981_960_720.jpg);
  background-repeat:no-repeat;
  background-size:100% 100%;
}
main{
  text-align: center;
  display: flex;
  justify-content: center;
  margin-top: 20vh;
  
}
#mainxxx {
  display: inline-block;
}
#mainxxx > div:nth-child(2){
  margin-left: -22px;
}
#mainxxx > div:nth-child(3){
  margin-left: -80px;
}
.wrapper{
  background:rgba(255,255,255,0.2);
  border: radius 10px; 
}
.key{
  width: 80px;
  height: 60px;
  background: linear-gradient(to bottom,#292929 0%,#111111 100%);
  border: 1px solid #373737;
  color: #c5c5c5;
  border-radius: 6px;
  box-shadow: 0 0 0 1px #1a1b1c,0 0 0 2px #1f2020,0 3px 0 2px #080808;
  position: relative;
  font-size: 16px;
  font-family: Arial, Helvetica, sans-serif;
}
.row {
  margin: 20px;
}
.row .key{
  margin: 0 10px;
}
.key img{
  width: 30px;
  height: 30px;
  position: absolute;
  left: 4px;
  bottom: 2px;
  
}
.key .text{
  position: absolute;
  left: 4px;
  top: 2px;
}