* {
    box-sizing: border-box;
}
.hide {
    display: none !important;
}
fieldset {
    min-width: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-danger {
    color: #a94442;
    background-color: #f2dede;
    border-color: #ebccd1;
}

.alert-dismissable, .alert-dismissible {
    padding-right: 35px;
}

.close {
    float: right;
    font-size: 21px;
    font-weight: 700;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #fff;
    filter: alpha(opacity = 20);
    opacity: .2;
}

.alert-dismissable .close, .alert-dismissible .close {
    position: relative;
    top: -2px;
    right: -21px;
    color: inherit;
}