*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position: relative;
    font-family: 'Courier New', Courier, monospace; 
}
#main{
    background-color: tomato;
    height: 100px;
}
#header{
    display: flex;
    justify-content: center;
    flex-direction: column;
}
#header h1{
    display: flex;
    justify-content:center;
}
#button{
    display: flex;
    justify-content: center;
}
#button a{
    transition: 0.5s;
    width: 100px;
    color:black;
    text-decoration: none;
    font-size: 40px;
    display: flex;
    justify-content: center;
    font-weight: 900;
}
#button a:hover{
    border-radius: 12px;
    background-color: black;
    border: 2px solid;
    color: white;
}