*{
    box-sizing: border-box;
    margin:0;
    padding:0;
}
html{
    height:100vh;
}
body {
    display:flex;
    flex-direction:column;
    height:100%;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1.5rem;
    text-align: center;
}
.counter{
    margin:3rem auto;
    text-align:center;
    line-height: 2rem;
}
header h1 {
    font-weight: 400;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    flex:1;
    display:flex;
    flex-direction:column;
    justify-content:center;
}

section {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    line-height: 2rem;
    display:flex;
    flex-direction:column;
}

img {
    width:80%;
    margin:auto;
    height: auto;
    border-radius: 5px;
    margin-bottom:1rem;
    /*margin-top: 10px;*/
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1em;
    /*position: fixed;*/
    bottom: 0;
    width: 100%;
}