body
{
background-color:blue;
}

div 
{
margin:auto;
text-align: center;
margin-top:5px;
}

img
{
border:transparent;
}

#enter
{
color:red;
text-decoration:none;
border-style: outset;
border-color:white;
background-color:black;
padding:3px;
}

a:hover
{
color:blue;
text-decoration:underline;
}

h1
{
margin-bottom:15px;
}


#image_accueil
{
width:50%;
height:40%;
}