.form-check .form-check-input {
    position: absolute;
    margin: 0;
    z-index: -1;
    left: 0;
    pointer-events: none
}

.form-check .form-check-sign:before {
    display: block;
    position: absolute;
    left: 0;
    content: "";
    background-color: rgba(0,0,0,.84);
    height: 20px;
    width: 20px;
    border-radius: 100%;
    z-index: 1;
    opacity: 0;
    margin: 0;
    top: 0;
    transform: scale3d(2.3,2.3,1)
}

.form-check .form-check-sign .check {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(0,0,0,.54);
    overflow: hidden;
    z-index: 0;
    border-radius: 3px
}

    .form-check .form-check-sign .check:before {
        position: absolute;
        content: "";
        transform: rotate(45deg);
        display: block;
        margin-top: -3px;
        margin-left: 7px;
        width: 0;
        color: #fff;
        height: 0;
        box-shadow: 0 0 0 0,0 0 0 0,0 0 0 0,0 0 0 0,0 0 0 0,0 0 0 0,inset 0 0 0 0;
        animation: checkbox-off .3s forwards
    }

.form-check .form-check-input:focus + .form-check-sign .check:after {
    opacity: .2
}

.form-check .form-check-input:checked + .form-check-sign .check {
    background: #2a3f54
}

    .form-check .form-check-input:checked + .form-check-sign .check:before, .form-check .form-check-label .form-check-input:checked + .circle .check:before {
        color: #fff;
        box-shadow: 0 0 0 10px,10px -10px 0 10px,32px 0 0 20px,0 32px 0 20px,-5px 5px 0 10px,20px -12px 0 11px;
        animation: c .3s forwards
    }

.form-check .form-check-input:checked + .form-check-sign:before {
    animation: d .5s
}

.form-check .form-check-input:checked + .form-check-sign .check:after {
    animation: d .5s forwards
}

.form-check .form-check-input:not(:checked) + .form-check-sign .check:after, .form-check .form-check-input:not(:checked) + .form-check-sign:before {
    animation: d .5s
}

.form-check .form-check-input[disabled] + .circle, fieldset[disabled] .form-check, fieldset[disabled] .form-check .form-check-input {
    opacity: .5
}

.form-check .form-check-input[disabled] ~ .form-check-sign .check {
    border-color: #000;
    opacity: .26
}

.form-check .form-check-input[disabled] + .form-check-sign .check:after {
    background-color: rgba(0,0,0,.87);
    transform: rotate(-45deg)
}

.form-check .form-check-input[disabled][checked] + .form-check-sign .check {
    background-color: #000
}

.form-check .form-check-label {
    cursor: pointer;
    padding-left: 25px;
    position: relative
}

.form-group.is-focused .form-check .form-check-label, fieldset[disabled] .form-group.is-focused .form-check .form-check-label {
    color: rgba(0,0,0,.26)
}

    .form-group.is-focused .form-check .form-check-label:focus, .form-group.is-focused .form-check .form-check-label:hover {
        color: rgba(0,0,0,.54)
    }

.form-check .form-check-label span {
    display: block;
    position: absolute;
    left: -1px;
    top: -5px;
    transition-duration: .2s
}

.form-check .form-check-label .circle {
    border: 1px solid rgba(0,0,0,.54);
    height: 15px;
    width: 15px;
    border-radius: 100%;
    top: 1px
}

    .form-check .form-check-label .circle .check {
        height: 15px;
        width: 15px;
        border-radius: 100%;
        background-color: #0747a6;
        transform: scale3d(0,0,0)
    }

.form-check .form-check-input {
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden
}

    .form-check .form-check-input:checked ~ .check, .form-check .form-check-input:checked ~ .circle {
        opacity: 1
    }

    .form-check .form-check-input:checked ~ .check {
        background-color: #0747a6
    }

    .form-check .form-check-input:checked ~ .circle {
        border-color: #0747a6
    }

    .form-check .form-check-input:checked .check:before {
        animation: c .5s forwards
    }

    .form-check .form-check-input:checked ~ .circle .check {
        transform: scale3d(.65,.65,1)
    }

    .form-check .form-check-input[disabled] ~ .check, .form-check .form-check-input[disabled] ~ .circle {
        opacity: .26
    }

    .form-check .form-check-input[disabled] + .circle .check, .form-check .form-check-input[disabled] ~ .check {
        background-color: #000
    }

    .form-check .form-check-input[disabled] ~ .circle {
        border-color: #000
    }

.form-check .form-check-sign {
    vertical-align: middle;
    position: relative;
    top: -2px;
    float: left;
    padding-right: 10px;
    display: inline-block
}

.form-check .form-check-label .circle:before {
    display: block;
    position: absolute;
    left: -1px;
    content: "";
    background-color: rgba(0,0,0,.84);
    height: 15px;
    width: 15px;
    border-radius: 100%;
    z-index: 1;
    opacity: 0;
    margin: 0;
    top: -1px;
    transform: scale3d(2.3,2.3,1)
}

.form-check .form-check-label .form-check-input:checked + .circle:before {
    animation: d .5s
}

.form-check + .form-check {
    margin-top: 0
}