html,
body {
    height: 100%;
}

.wrap {
    min-height: 100%;
    height: auto;
    margin: 0 auto -60px;
    padding: 0 0 60px;
}

.wrap > .container {
    padding: 70px 15px 20px;
}

.footer {
    height: 60px;
    background-color: #f5f5f5;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

.jumbotron {
    text-align: center;
    background-color: transparent;
}

.jumbotron .btn {
    font-size: 21px;
    padding: 14px 24px;
}

.not-set {
    color: #c55;
    font-style: italic;
}

/* add sorting icons to gridview sort links */
a.asc:after, a.desc:after {
    position: relative;
    top: 1px;
    display: inline-block;
    font-family: 'Glyphicons Halflings';
    font-style: normal;
    font-weight: normal;
    line-height: 1;
    padding-left: 5px;
}

a.asc:after {
    content: /*"\e113"*/ "\e151";
}

a.desc:after {
    content: /*"\e114"*/ "\e152";
}

.sort-numerical a.asc:after {
    content: "\e153";
}

.sort-numerical a.desc:after {
    content: "\e154";
}

.sort-ordinal a.asc:after {
    content: "\e155";
}

.sort-ordinal a.desc:after {
    content: "\e156";
}

.grid-view th {
    white-space: nowrap;
}

.hint-block {
    display: block;
    margin-top: 5px;
    color: #999;
}

.error-summary {
    color: #a94442;
    background: #fdf7f7;
    border-left: 3px solid #eed3d7;
    padding: 10px 20px;
    margin: 0 0 15px 0;
}

/* Tăng kích thước của checkbox */
.checkbox-custom {
    width: 20px;
    height: 20px;
}

.checkbox-custom input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
    padding: 0;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.checkbox-custom input[type="checkbox"]:checked {
    background-color: #337ab7;
    border-color: #337ab7;
}

.checkbox-custom input[type="checkbox"]:checked::before {
    content: '\2713';
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
}