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

header {
    height: 80%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

main {
    height: 10%;
    max-width: 450px;
    margin: auto;
    background-color: #010560;
}

footer {
    height: auto !important;
    background-color:#ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 450px;
    margin: auto;
}

footer p a{
    text-decoration:none;
    color:#333;
}


form {
    height: 50%; 
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #b4d9f5;
}

input {
    padding: 6px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.btn {
    height: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
}

.btn_detail{
    box-shadow: 0px 1px 0px 0px #fff6af;
    background:linear-gradient(to bottom, #ffec64 5%, #eb8c17 100%);
    background-color:#ffec64;
    border-radius:6px;
    border:1px solid #a8711e;
    display:inline-block;
    cursor:pointer;
    color:#333333;
    font-family:Arial;
    font-size:15px;
    font-weight:bold;
    padding:2px 7px;
    text-decoration:none;
    text-shadow:0px 1px 0px #ffee66;
}

input[type=number] {
  -moz-appearance: textfield;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}