h1 {
    text-align: center;
    padding-top: 50px;
}

#countdown {
    float: right;
    padding-right: 10px;
}

p.first {
    display: inline;
    float: left;
}

p.second {
    margin-left: auto;
    margin-right: auto;
    width: 40em;
    padding-top: 50px;
    padding-bottom: 25px;
    text-align: center;
}

header {
    padding-left: 10px;
    margin-top: 15px;
}

button {
    text-align: center;
    margin-top: 15px !important;
    background-color: purple !important;
    border: purple !important;
}

* {
    background-color: grey;
}

#btn0:hover, #btn1:hover, #btn2:hover, #btn3:hover {
    cursor: pointer;
    background-color: #01BBFF;
}