body {
  font-family: Verdana, Geneva, sans-serif;
  background-color: #eee;
}

header {
    padding: 5px;
    background-color: #c2c2c2;
}

th, td {
  border-bottom: 2px solid #ddd;
  padding: 10px;
  text-align: left;
}

.button {
    border-width: 1px;
    background-color: #DAD8D8;
}


 .framed {
    border: 2px solid #727272;
    padding: 2px;
 }

input[type="checkbox"] {
    accent-color: #545454;
}

.checkbox-menu li label {
    display: block;
    padding: 3px 10px;
    clear: both;
    font-weight: normal;
    line-height: 1.42857143;
    color: #333;
    white-space: nowrap;
    margin:0;
    transition: background-color .4s ease;
}

.checkbox-menu li input {
    margin: 0px 5px;
    top: 2px;
    position: relative;
}

.block {
    margin-top: 10px;
    margin-bottom: 10px;
    border: 1px solid;
    border-color: #eee;
}

.block-part {
    display: inline-block;
}

.error_message {
    color: red;
}

@media (max-width: 1100px) {

    header {
        font-size: 24px;
    }

    .header .button {
        height: 2em;
        width: 3.5em;
        font-size: 24px;
        margin: 0px;

    }
}