html, body {
    height: 100%;
    width: 100%;
    margin: 0px;
    box-sizing: border-box;
    color: #2f5570;
    font-size: 20px;
}

*, *:before, *:after {
  box-sizing: inherit;
}

td {
  text-align: center;
  vertical-align:top;
}

th {
    background-color: #3b547d;
    color: #ffffff;
}

tr:nth-child(even) {
    background-color: #ffffff;
}

tr:nth-child(odd) {
    background-color: #f2f7ff;
}

.left-text {
  text-align: left;
}


.header-text {
    text-align: center;
    margin-top: 20px;
}

#main {
    margin-top: 10px;
    color: #2f5570;
    width: 80%;
    position: absolute;
    margin-left: 10%;
    margin-right: 10%;
}

.button {
    background-color: #3b547d;
    border-radius: 4px;
    color: #ffffff;
    cursor: pointer;
    padding: 3px 8px;
}

.button:hover {
    cursor: pointer;
}

.data-block {
    border-radius: 5px;
    border: 1px solid #3b547d;
    color: #2f5570;
    padding: 5px;
    margin: 1px;
    background-color: #ffffff;
    display:block;
    overflow: auto;
    margin-top: 10px;
}

.table-header {
    color:white;
    background-color: #3b547d;
    border-radius: 5px;
}

.left-side {
    float: left
}

.right-side {
    float: right;
}

.margin-obj {
    margin: 10px
}

.table {
    width: 100%;
    z-index: 999;
}

.input_command {
    width: 80%;
}

.small_text {
    font-size: 16px;
}

#qrcode {
    width: 250px;
    height: 250px;
    margin-top: 35px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#qr_page {
    width: 60%;
    margin-left: 20%;
    margin-right: 20%;
    top: 3%;
}

.centered {
    width: 100%;
    text-align: center;
    justify-content: center;
}

.big_button {
    padding: 10px 15px;
    font-size: 18px;
}

#url_text:hover {
    cursor: pointer;
    text-decoration: underline;
}

#commandButton {
    padding: 5px 10px;
    font-size: 18px;
    margin-top: 50px;
}