header.masthead {
    text-align: center;
    color: #fff;
    background-image: url(../img/header-bg.jpg);
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: center center;
    height: 50vh;
}
.banner_text {
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    font-size: -webkit-xxx-large;
}

label {
    display: inline-block;
    margin-bottom: .5rem;
    display: block;
    font-weight: 700;
    font-size: x-large;
}

input[type="submit"] {
    -webkit-transition: all 0.25s ease-in-out;
    transition: all 0.25s ease-in-out;
    font-weight: 600;
    font-size: 1.2rem;
    white-space: normal;
    border-radius: 0;
    text-align: center;
    text-decoration: none;
    padding: 0.6rem 2rem;
    display: inline-block;
    color: #fff;
    background-color: #00D8b6;
    border: 2px solid #00D8b6;
    border-radius: 40px;
    cursor: pointer;
    line-height: 1;
    vertical-align: middle;
    width: auto;
    margin: auto;
    color: #fff;
    background-image: -webkit-linear-gradient(349.82deg, #28EFC9 11%, #28F09D 100%);
    background-image: linear-gradient(100.18deg, #28EFC9 11%, #28F09D 100%);
    border-color: transparent;
    margin-top: 20px;
}


input#session_id {
    width: 300px;
    border-radius: 20px;
    height: 35px;
    text-align: center;
}
table {
    border-collapse: collapse;
    margin-top: 3%;
}
th {
    text-align: inherit;
    width: 220px;
}