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

section{
    width: 700px;
    min-height: 300px;
    background-color: green;
    margin: 80px auto;
    position: relative;
}

h1{
    text-align: center;
    margin: 20px 0;
}

#request{
    /* margin: 10px auto; */
    display: block;
    position: absolute;
    bottom: 20px;
    left: calc(50% - 250px);
    width: 500px;
}