.file-select {          
    position: relative;
    display: inline-block;
    width: 100%;
  }
   
  .file-select::before {
    background-color: #EC409C;
    color: white;
    display: flex;            
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    content: 'Seleccionar'; /* testo por defecto */
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;                
  }
   
  .file-select input[type="file"] {
    opacity: 0;
    width: 100%;
    height: 32px;
    display: inline-block;    
    cursor: pointer;        
  }
   
  #src-file1::before {
    content: '+ SELECCIONAR IMAGEN';
  }