html, body {
    height: 100%;
    background-color: #FFFFFF;
}

#device_record_content{
    width: 100%;
    display: block;
}

#device_record {
    width: 300px;
    margin: auto;
    margin-top: 15%;
}

#device_record input {
    height: 38px;
    width: 450px;
    margin: 25px auto 0 auto;
    font-size: xx-large;
    border-radius: 5px;
    outline: none;
}

#device_record input:hover {
    border: solid 2px #3BAFFA;
}


#device_record button {
    height: 45px;
    width: 460px;
    margin: 25px auto 0 auto;
    font-size: xx-large;
    border-radius: 5px;
    background-color: #3BAFFA;
}

#device_record select {
    height: 45px;
    width: 460px;
    margin: 10px auto 0 auto;
    font-size: xx-large;
    border-radius: 5px;
}

#title {
    text-align: center;
    font-size: xx-large;
    color: #000000;
    margin-left: 100px;
}

#article {
    width: 300px;
    margin: auto;
    margin-top: 5%;
}

#article p {
    height: 38px;
    width: 300px;
    margin: 10px auto 0 auto;
    font-size: large;
}