html {
    font-family: 'Poppins', Arial, sans-serif;
    font-size: 1rem;
    height: 100%;
}

* {
    box-sizing: border-box;
}

body {
    color: #000;
    height: 100%;
}

.logo_holder{
    width: 100%;
    height: calc(100% - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
}

.iso{
    width: 213px;
    height: auto;
    margin: 0 auto;
    display: block;
}

h1 {
    font-size: 1.25rem;
    text-align: center;
    font-weight: bold;
    margin-bottom: 40px;
    color: rgb(100, 100, 100);
}


.player_holder{
    display: flex;
    align-items: center;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.square_play{
    background-color: #ff0067;
}

#play {
    width: 60px;
    height: 60px;
    display: block
}

.volume_holder{
    display: flex;
    flex-grow: 1;
    align-items: center;
    background-color: #ffa933;
    height: 60px;
    padding: 0 20px
}

#volume {
    accent-color: #fff;
    display: block;
    margin-left: 10px;
    flex-grow: 1;
}

@media screen and (min-width: 768px){
    
    .logo_holder{
        height: 100%;
        flex-direction: column;
    }

    .player_holder{
        position: initial;
        width: 250px;
        margin: 0 auto;
    }
    
    .iso{
        margin-bottom: 30px;
        width: 250px;
        height: auto;
    }
}