body{
    padding: 0; 
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: sans-serif;
    font-size: 18px;
    color: #000;
}

a{
    color: #000;
}

.page-wrap{
    margin: auto;
    background-color: #f7f7f7;
    width: 800px;
    max-width: 90vw;
    box-sizing: border-box;
    padding: 50px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 0 40px rgba(0,0,0,.1);
}

h1{
    margin: 0;
    font-size: 40px;
}
h2{
    margin: 0 0 20px 0;
    font-size: 22px;
}

a.button{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    color: #fff;
    height: 50px;
    border-radius: 50px;
    font-size: 18px;
    line-height: 1;
    text-decoration: none;
    padding: 0 20px;
    transition: background .3s;
}
a.button:hover{
    background-color: #333;
}