*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body{font-family: verdana;}

header{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.text{
    display: flex;
    color: #fff;
    line-height: 1.5;
    text-align: center;
}

.overlay{
    display: flex;
    height: 100vh;
    width: 100vw;
    background-color: #18266c;
    opacity: 0.2;
}

.button{
    background: #fff;
    border-radius: 40px;
    color: #18266c;
    font-size: 1.5em;
    padding: .7em 1.2em;
    text-decoration: none;
    box-sizing: border-box;
    cursor: pointer;
}

h1{font-size: 2.5em;}

p{
    font-size: 1.5em;
    margin-bottom: 1em;
}