* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  

body {
    width: 100vw;
    height: 100vh;
    background: url('triangle_violet.png'), url('triangle_orange.png') right bottom;
    background-repeat: no-repeat;
}

#logo>img {
    display: block;
    margin: auto;
    padding-top: 30vh;
}

#colonne {
    text-align: center;
}

#chalenge {
    padding-top: 20px;
}

#vimaco {
    padding-top: 20px;
}