* { font-family: Arial, Helvetica, sans-serif; } body { background-color: black; color: black; text-align: center; } h1 { color: white; } button { font-size: 18px; margin: 10px; } ::placeholder{ color: white; } #bio { color:black; font-size: 20px; background-color: black; border: 0px solid black; border-radius: 7px; } .bio { color:black; font-size: 20px; } main { display: flex; align-items: center; justify-content: center; height: 75vh; width: 100%; background: url(https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Mountains-1412683.svg/1280px-Mountains-1412683.svg.png) no-repeat center center; background-size: cover; }