/* reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html{
    background-color: #3F3F3F;
    font-size: 24px;
    height: 100%;
    scroll-behavior: smooth;
}

/* reset */
/* body */
body{
    margin: 0;
    padding: 0;
    background-color: #3F3F3F;
    height: 100vh;
    justify-content: center;

}
a{
    color: #00e897;
    text-decoration: none;
    margin: 10px 11px 10px 11px;
    font-size: 1.2rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
hr{
    margin-top: 20px;
    margin-bottom: 20px;
}
header {
    text-align: center;
    background-color: #00e897;
    width: 100%;
    margin: auto;
    padding: 5px 0 5px 0;
    border: 2px solid white;
}
header a{
    color: white;
    text-decoration: none;
    padding: 10px;
    font-size: 1.5rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h1, h2, p{
    color: rgb(255, 255, 255);
    padding: 1rem 0 1rem 0;
    margin: .5rem 0 .5rem 0;
}
h1{
    font-size: 3rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h2{
    font-size: 2rem;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
section{
    background-color: grey;
    padding: 2.5vh;
    margin: 3rem ;
}
/* pictures */