body{
background:#050505;
color:white;
font-family:Segoe UI;
text-align:center;
margin:0;
}

header{
background:#120000;
border-bottom:2px solid red;
padding:20px;
}

h1{
color:#ff2a2a;
text-shadow:0 0 10px red;
}

button{
background:red;
border:none;
padding:10px 20px;
border-radius:6px;
color:white;
cursor:pointer;
}
padding:20px;
box-shadow:0 0 10px red;
}