index.css

.main {
    height: 100vh;
    margin: auto;
    font-family: "raleway";
    padding: 15px;
    font-size: 30px;
    border: 1px solid #e3e3e3;
    border-radius: 3px;
    background: #f7f7f7;
}

time {
    border: 1px solid #f00;
    font-weight: bold;
    padding: 2.5px;
    border-radius: 3px;
    display: inline-block;
    margin-bottom: 10px;
    color: black;
    background: #fff;
}

#style {
    padding: 5px;
    border: 1px solid #c8c8c8;
    margin: 10px 0;
    border-radius: 5px;
    background: #fff;
    -webkit-box-shadow: inset 0px 0 15px #e7e7e7;
    box-shadow: inset 0px 0 15px #e7e7e7;
}

#output {
    background: #fff;
    padding: 60px 10px;
    margin-bottom: 25px;
}

button {
    background: rgb(0, 94, 160);
    border: none;
    color: rgb(255, 255, 255);
    padding: 15px 30px;
    font-size: 20px;
    border-radius: 3px;
    font-family: raleway;
    margin: 10px 0;
    border-bottom: 3px solid rgb(0, 48, 103);
}

button:active {
    margin-top: 11px;
    border-bottom: 1px solid rgb(43, 102, 170);
}