* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

/* #ad002b */
:root {
    font-size: 10px;
}
body {
font-family:Arial, Helvetica, sans-serif;
width: 100%;


}

.container {
    width: 100%;
    min-height: 100vh;
    background-image:  url(pewdiepie-.jpg);
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    
    color: white;
    
}
/* .txt {
    border: 2px solid white; 
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .2);
    display: flex;
    flex-direction: column;

} */
header {
    padding: .2rem 0px;
    font-family: 'MuseoModerno', cursive;
  /*   border: 2px dotted darkgreen; */
    background: rgba(0, 0, 0, .8);
 
    text-align: center;
    font-size: 2rem;
 
}
.soundboard {
/*     border: 2px solid rebeccapurple;  */
    background: rgba(0, 0, 0, .8);
    width: 50rem;
    height: 50rem;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    
}
.btn {
    margin: 1rem;
  
    background-image:  url(pewdiepie-.jpg);

    background-size: cover;
    background-position: center; 
    border: .1rem solid white;
}
/* .btn:active {
  
    transform: scale(1.2);
    border: .1rem solid  #ad002b;
} */
.playing {
    transition: all .15s;
    transform: scale(1.1);
    
    
}
.btn-name {
    background: rgba(0, 0, 0, .7);
    flex-direction: column;
    
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: stretch;
    text-align: center;
    font-size: 1.3rem;
    font-weight: bold;

}
.btn-name:hover {
    cursor: pointer;
}
.key {
    font-size: 2.5rem;
    padding: .4rem;
 
}
/* .btn-key {
    font-size: 4rem;
    border: 2px solid teal;
    height: 70%;
    display: flex;
    justify-content: center;
    align-items: center;
} */
.footer {
    text-align: center;
    background: rgba(0, 0, 0, .8);
    font-size: 1.8rem;
    padding: .2rem 0px;
}

@media only screen and (max-width: 800px) {
    body {
        overflow-x: hidden;
    }
    :root {
        font-size: 9px;
    }
    .key {
        display: none;
    }
}

@media only screen and (max-width: 500px) {

    .soundboard {
        width: 40rem;
        height: 40rem;
    }
    .soundboard > div {
        margin: 1rem;
    
    /*     background-image:  url(pewdiepie-.jpg);
        background-size: cover;
        background-position: center; */
        border: .1rem solid white;
    }
}
@media only screen and (max-width: 400px) {
    :root {
        font-size: 8px;
    }
    .soundboard {
        width: 40rem;
        height: 40rem;
    }
    .soundboard > div {
        margin: 1rem;
    
    /*     background-image:  url(pewdiepie-.jpg);
        background-size: cover;
        background-position: center; */
        border: .1rem solid white;
    }
}
@media only screen and (max-width: 330px) {
    :root {
        font-size: 8px;
    }
    .soundboard {
        width: 100%;
        height: 40rem;
    }
    .soundboard > div {
        margin: 1rem;
    
    /*     background-image:  url(pewdiepie-.jpg);
        background-size: cover;
        background-position: center; */
        border: .1rem solid white;
    }
}
@media only screen and (max-width: 300px) {
    :root {
        font-size: 7px;
    }
    .soundboard {
        width: 100%;
        height: 40rem;
    }
    .soundboard > div {
        margin: 1rem;
    
    /*     background-image:  url(pewdiepie-.jpg);
        background-size: cover;
        background-position: center; */
        border: .1rem solid white;
    }
}