*,*::before,*::after {
    box-sizing: border-box
}

.form-control {
    position: relative;
    display: block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: .375rem .75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out
}

.form-control::-ms-expand {
    background-color: transparent;
    border: 0
}

.form-control:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 #495057
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 .2rem rgba(0,167,229,.25)
}

.form-control::-webkit-input-placeholder {
    color: #6c757d;
    opacity: 1
}

.form-control::-webkit-input-placeholder,.form-control::-moz-placeholder,.form-control:-ms-input-placeholder,.form-control::-ms-input-placeholder,.form-control::placeholder {
    color: #6c757d;
    opacity: 1
}

.form-control:disabled {
    background: #f1f1f1;
    cursor: not-allowed
}

.form-control::-webkit-outer-spin-button,.form-control::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none
}

.form-control[type=number] {
    -moz-appearance: textfield
}

@media(prefers-reduced-motion: reduce) {
    .form-control {
        transition: none
    }
}

.form-group {
    margin-bottom: 1rem
}

label {
    display: block;
    line-height: 2;
    font-size: 1rem
}

.prepend {
    position: relative
}

.prepend input {
    padding-left: 3.5rem
}

.pre {
    position: absolute;
    z-index: 1;
    display: flex;
    align-items: center;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    text-align: center;
    white-space: nowrap;
    border: 1px solid transparent;
    border-right-color: rgba(0,0,0,.1);
    border-top-left-radius: .25rem;
    border-bottom-left-radius: .25rem
}

.pre.male {
    background-color: rgba(0,167,229,.25)
}

.pre.female {
    background-color: rgba(233,30,99,.25)
}

.double-wrap {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    z-index: 99;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255,255,255,.8);
    transition: opacity .6s
}

.double-wrap.hide {
    opacity: 0;
    pointer-events: none
}

.double-wrap.hide .double-bounce1,.double-wrap.hide .double-bounce2 {
    -webkit-animation-play-state: paused;
    animation-play-state: paused
}

.double {
    width: 40px;
    height: 40px;
    position: relative;
    margin: 100px auto
}

.double-bounce1 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #00a7e5;
    opacity: .6;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-animation: sk-bounce 2s infinite ease-in-out;
    animation: sk-bounce 2s infinite ease-in-out
}

.double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #00a7e5;
    opacity: .6;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-animation: sk-bounce 2s infinite ease-in-out;
    animation: sk-bounce 2s infinite ease-in-out;
    -webkit-animation-delay: -1s;
    animation-delay: -1s
}

@-webkit-keyframes sk-bounce {
    0%,100% {
        transform: scale(0)
    }

    50% {
        transform: scale(1)
    }
}

@keyframes sk-bounce {
    0%,100% {
        transform: scale(0)
    }

    50% {
        transform: scale(1)
    }
}

body {
    background: #f5f5f5
}

img {
    max-width: 100%
}

h1 {
    line-height: 1.5;
    font-size: 28px
}

a {
    color: #00a7e5
}

.container {
    padding-top: 3vh;
    padding-bottom: 3vh
}

@media(max-width: 640px) {
    .container {
        padding-top:0
    }
}

.w-640 {
    margin-right: auto;
    margin-left: auto;
    max-width: 640px
}

@media(max-width: 640px) {
    .w-640 {
        padding-right:15px;
        padding-left: 15px
    }
}

.text-center {
    text-align: center
}

.kv {
    margin-bottom: 1rem;
    box-shadow: 0 4px 5px 0 rgba(0,0,0,.14),0 1px 10px 0 rgba(0,0,0,.12),0 2px 4px -1px rgba(0,0,0,.3)
}

.kv,.kv img {
    border-radius: 10px
}

.kv img {
    display: block;
    height: auto
}

@media(max-width: 640px) {
    .kv {
        padding-right:0;
        padding-left: 0
    }

    .kv,.kv img {
        border-radius: 0
    }
}

.two-col {
    display: flex;
    justify-content: space-between
}

.two-col .col {
    width: 48%
}

@media(max-width: 640px) {
    .two-col {
        flex-wrap:wrap
    }

    .two-col .col {
        width: 100%
    }
}

.submit {
    text-align: center
}

.submit a {
    display: inline-block;
    padding: .375rem 2rem;
    line-height: 1.5;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: #00a7e5;
    border: 1px solid transparent;
    border-radius: .25rem;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    font-weight: 400;
    font-size: 1rem;
    color: rgba(255,255,255,.8);
    transition: color .2s
}

.submit a:focus {
    outline: 0
}

.submit a:hover {
    color: #fff
}

.submit a.disabled {
    opacity: .5;
    pointer-events: none
}