*{margin: 0;padding: 0;}
a{text-decoration: none;}
kbd{
    width: 4em;
    height: 4em;
    display: inline-block;
    text-transform: uppercase;
    position: relative;
}
kbd > button{
    position: absolute; 
    left: 0;
    bottom: 0;
    display: none;
}

kbd:hover > button{
    display: inline-block;
}
body{
    background:grey url(./img/1.jpg) no-repeat center center;
    background-size: cover;
}
main{
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
#main{
    display: inline-block;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px
}

#main > div:nth-child(2){
    margin-left: 20px;
}
#main > div:nth-child(3){
    margin-left: 16px;
}
.key1{
    width: 50px;
    height: 40px;
    background: linear-gradient(to bottom, #292929 0%,#111111 100%);
    border:1px solid #373737;
    color: #c5c5c5;
    border-radius: 6px;
    box-shadow: 0 0 0px 1px #1A1B1C,0 0 0 2px #1F2020 , 0 3px 0 2px #080808;
    font-size: 16px;
    font-family: Helvetica;
    position: relative;
}
.row{
    margin: 20px;
}
.row .key1{
    margin: 0 10px;
}
.key img{
    width: 16ox;
    height: 16px;
    
}
.text{
    position: absolute;
    top:4px;
    left: 8px;
}
.key1 img{
    width: 16px;
    height: 16px;
    position: absolute;
    right: 6px;
    bottom: 2px;
}