body {
    background-color: #151515;
    font-family: 'Roboto';
  }

button{
    width: 90px;
    height: 30px;
    background-color: plum;
    border-style:groove;
    border-color: purple;
    border-width: 5px;
    border-radius: 25%;
}
button:hover {
    background-color: #555555;
    color: white;
  }

  body {
    background-color: #151515;
    font-family: 'Roboto';
  }
  p {
   color:white;
    font-size: 25px;
  }
  
  .imag{
  width:auto;
  height:auto;
  text-align:center;
  margin: 10px;
  }
 
  
  .center{
    text-align:center;
  }
  
  #deslizadores{
    display: block;
    float: left;
    background-color: #2c2c2c;
    padding: 20px;
    color:  #b3b3b3;
    width: 250px;
  }
  
  
  canvas{
    width: 500px;
    height: 300px;
    background-color: black;
  }
  

  
  #deslizador_R, #deslizador_G, #deslizador_B{
    display: block;
    float: left;
  }
  
  span{
      display: inline-block;
      margin-left: 5px;
  }
  
  
  label{
    margin: 50px;
  }