fieldset {
    margin: 0 0 3em;
    padding: 0;
    border: none;
  }
  
  .form-radio,
  .form-group {
    position: relative;
    margin-top: 2.25em;
    margin-bottom: 2.25em;
  }
  
  .form-inline > .form-group,
  .form-inline > .btn {
    display: inline-block;
    margin-bottom: 0;
  }
  
  .form-help {
    margin-top: 0.125em;
    margin-left: 0.125em;
    color: #b3b3b3;
    font-size: 0.8em;
  }
  .checkbox .form-help, .form-radio .form-help, .form-group .form-help {
    position: absolute;
    width: 100%;
  }
  .checkbox .form-help {
    position: relative;
    margin-bottom: 1em;
  }
  .form-radio .form-help {
    padding-top: 0.25em;
    margin-top: -1em;
  }
  
  .form-group input {
    height: 1.9em;
  }
  .form-group textarea {
    resize: none;
  }
  .form-group select {
    width: 100%;
    font-size: 1em;
    height: 1.6em;
    padding: 0.125em 0.125em 0.0625em;
    background: none;
    border: none;
    line-height: 1.6;
    box-shadow: none;
  }
  .form-group .control-label {
    position: absolute;
    top: 0.25em;
    pointer-events: none;
    padding-left: 0.125em;
    z-index: 1;
    color: #b3b3b3;
    font-size: 1em;
    font-weight: normal;
    -webkit-transition: all 0.28s ease;
    transition: all 0.28s ease;
  }
  
  .form-group .bar {
    position: relative;
    border-bottom: 1px solid #c3c3c3;
    display: block;
  }
  .form-group .bar.alert{
    border-bottom: 0.0625em solid #c80000 !important;
  }
  .form-group .bar::before {
    content: '';
    height: 0.125em;
    width: 0;
    left: 50%;
    bottom: -0.0625em;
    position: absolute;
    background: #337ab7;
    -webkit-transition: left 0.28s ease, width 0.28s ease;
    transition: left 0.28s ease, width 0.28s ease;
    z-index: 2;
  }
  .form-group input,
  .form-group textarea {
    display: block;
    background: none;
    padding: 0.125em 0.125em 0.0625em;
    font-size: 1em;
    border-width: 0;
    border-color: transparent;
    line-height: 1.9;
    width: 100%;
    color: transparent;
    -webkit-transition: all 0.28s ease;
    transition: all 0.28s ease;
    box-shadow: none;
  }
  .form-group input[type="file"] {
    line-height: 1;
  }
  .form-group input[type="file"] ~ .bar {
    display: none;
  }
  .form-group select,
  .form-group input:focus,
  .form-group input:valid,
  .form-group input.form-file,
  .form-group input:not(:placeholder-shown),
  .form-group textarea:focus,
  .form-group textarea:valid,
  .form-group textarea.form-file,
  .form-group textarea.has-value {
    color: #333;
  }
  .form-group select ~ .control-label,
  .form-group input:focus ~ .control-label,
  .form-group input:valid ~ .control-label,
  .form-group input.form-file ~ .control-label,
  .form-group input:not(:placeholder-shown) ~ .control-label,
  .form-group textarea:focus ~ .control-label,
  .form-group textarea:valid ~ .control-label,
  .form-group textarea.form-file ~ .control-label,
  .form-group textarea.has-value ~ .control-label {
    font-size: 0.8em;
    color: gray;
    top: -1.5em;
    left: 0;
  }
  .form-group input:not(:focus):placeholder-shown ~ .control-label{
    top: 0.25em;
  }
  
  .form-group select:focus,
  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
  }
  .form-group select:focus ~ .control-label,
  .form-group input:focus ~ .control-label,
  .form-group textarea:focus ~ .control-label {
    color: #337ab7;
  }
  .form-group select:focus ~ .bar::before,
  .form-group input:focus ~ .bar::before,
  .form-group textarea:focus ~ .bar::before {
    width: 100%;
    left: 0;
  }
  
  .checkbox label,
  .form-radio label {
    position: relative;
    cursor: pointer;
    padding-left: 2.5em;
    text-align: left;
    color: #333;
    display: block;
  }
  .checkbox input,
  .form-radio input {
    width: auto;
    opacity: 0.00000001;
    position: absolute;
    left: 0;
  }
  
  .radio {
    margin-bottom: 1em;
  }
  .radio .helper {
    position: absolute;
    top: -0.25em;
    left: -0.25em;
    cursor: pointer;
    display: block;
    font-size: 1em;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    color: #999;
  }
  .radio .helper::before, .radio .helper::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    margin: 0.25em;
    width: 1em;
    height: 1em;
    -webkit-transition: -webkit-transform 0.28s ease;
    transition: -webkit-transform 0.28s ease;
    transition: transform 0.28s ease;
    transition: transform 0.28s ease, -webkit-transform 0.28s ease;
    border-radius: 50%;
    border: 0.125em solid currentColor;
  }
  .radio .helper::after {
    -webkit-transform: scale(0);
            transform: scale(0);
    background-color: #337ab7;
    border-color: #337ab7;
  }
  .radio label:hover .helper {
    color: #337ab7;
  }
  .radio input:checked ~ .helper::after {
    -webkit-transform: scale(0.5);
            transform: scale(0.5);
  }
  .radio input:checked ~ .helper::before {
    color: #337ab7;
  }
  
  .checkbox {
    margin-top: 3em;
    margin-bottom: 1em;
  }
  .checkbox .helper {
    color: #999;
    position: absolute;
    top: 0;
    left: 0;
    width: 1em;
    height: 1em;
    z-index: 0;
    border: 0.125em solid currentColor;
    border-radius: 0.0625em;
    -webkit-transition: border-color 0.28s ease;
    transition: border-color 0.28s ease;
  }
  .checkbox .helper::before, .checkbox .helper::after {
    position: absolute;
    height: 0;
    width: 0.2em;
    background-color: #337ab7;
    display: block;
    -webkit-transform-origin: left top;
            transform-origin: left top;
    border-radius: 0.25em;
    content: '';
    -webkit-transition: opacity 0.28s ease, height 0s linear 0.28s;
    transition: opacity 0.28s ease, height 0s linear 0.28s;
    opacity: 0;
  }
  .checkbox .helper::before {
    top: 0.65em;
    left: 0.38em;
    -webkit-transform: rotate(-135deg);
            transform: rotate(-135deg);
    box-shadow: 0 0 0 0.0625em #fff;
  }
  .checkbox .helper::after {
    top: 0.3em;
    left: 0;
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
  .checkbox label:hover .helper {
    color: #337ab7;
  }
  .checkbox input:checked ~ .helper {
    color: #337ab7;
  }
  .checkbox input:checked ~ .helper::after, .checkbox input:checked ~ .helper::before {
    opacity: 1;
    -webkit-transition: height 0.28s ease;
    transition: height 0.28s ease;
  }
  .checkbox input:checked ~ .helper::after {
    height: 0.5em;
  }
  .checkbox input:checked ~ .helper::before {
    height: 1.2em;
    -webkit-transition-delay: 0.28s;
            transition-delay: 0.28s;
  }
  
  .radio + .radio,
  .checkbox + .checkbox {
    margin-top: 1em;
  }
  
  .has-error .legend.legend, .has-error.form-group .control-label.control-label {
    color: #d9534f;
  }
  .has-error.form-group .form-help,
  .has-error.form-group .helper, .has-error.checkbox .form-help,
  .has-error.checkbox .helper, .has-error.radio .form-help,
  .has-error.radio .helper, .has-error.form-radio .form-help,
  .has-error.form-radio .helper {
    color: #d9534f;
  }
  .has-error .bar::before {
    background: #d9534f;
    left: 0;
    width: 100%;
  }
  
  .button {
    position: relative;
    background: currentColor;
    border: 1px solid currentColor;
    font-size: 1.1em;
    color: #4f93ce;
    margin: 3em 0;
    padding: 0.75em 3em;
    cursor: pointer;
    -webkit-transition: background-color 0.28s ease, color 0.28s ease, box-shadow 0.28s ease;
    transition: background-color 0.28s ease, color 0.28s ease, box-shadow 0.28s ease;
    overflow: hidden;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
  }
  .button span {
    color: #fff;
    position: relative;
    z-index: 1;
  }
  .button::before {
    content: '';
    position: absolute;
    background: #071017;
    border: 50vh solid #1d4567;
    width: 30vh;
    height: 30vh;
    border-radius: 50%;
    display: block;
    top: 50%;
    left: 50%;
    z-index: 0;
    opacity: 1;
    -webkit-transform: translate(-50%, -50%) scale(0);
            transform: translate(-50%, -50%) scale(0);
  }
  .button:hover {
    color: #337ab7;
    box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.2);
  }
  .button:active::before, .button:focus::before {
    -webkit-transition: opacity 0.28s ease 0.364s, -webkit-transform 1.12s ease;
    transition: opacity 0.28s ease 0.364s, -webkit-transform 1.12s ease;
    transition: transform 1.12s ease, opacity 0.28s ease 0.364s;
    transition: transform 1.12s ease, opacity 0.28s ease 0.364s, -webkit-transform 1.12s ease;
    -webkit-transform: translate(-50%, -50%) scale(1);
            transform: translate(-50%, -50%) scale(1);
    opacity: 0;
  }
  .button:focus {
    outline: none;
  }