*{
    box-sizing: border-box;
}

body{
    height: 100vh;
    margin: 0;
    background-image: linear-gradient(0deg, rgb(0, 0, 0));
    ;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    
}
 h1{
    color: white;
 }

 h4{
    text-align: center;
   font-size: 20px;
   
 }

 .music-container{
   background-color: #0000ff;
    border-radius: 15px;
    display: flex;
    padding: 10px 20px;
    position: relative;
    margin: 10px 0;
    z-index: 10;
 }

.img-container img{
   border-radius: 15px;
   width: 300px;
   height: auto;
}

.navegation{
   display: flex;
   align-items: center;
   justify-content: center;
   z-index: 1;
}

.action-btn{
   background-color: #0000ff00;
   border: 0;
   color: white;
   font-size: 20px;
   cursor: pointer;
   padding: 5px;
   margin: 0;
   
}

.action-btn-big{
color: white;
font-size: 25px ;
}

.action-btn:focus {
   outline: 0;
}

body {
  transition: background-color 1s ease;
}