section {
    background: url("./background.jpg") no-repeat;
    background-size: cover;
}

.input {
    border: none;
}

input[type="checkbox"] {
    height: 1.25rem;
    width: 1.25rem;
    margin-right: 5px;
}

label {
    display: flex;
    align-items: center;
}

a {
    font-size: 1rem;
    color: #666666;
    text-decoration: none;
}

a:focus {
    outline: none !important;
}

a:hover {
    color: #a64bf4;
}

button {
    outline: none !important;
    border: none;
    background: transparent;
}

button:hover {
    cursor: pointer;
}

.wrap-input {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    border-bottom: 2px solid #d9d9d9;
}

.wrap-input .icon {
    font-size: 1.5rem;
}

.focus-input {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.focus-input::before {
    content: "";
    display: block;
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #7f7f7f;
    transition: all 0.4s;
}

.input:focus + .focus-input::before {
    width: 100%;
}

.input:valid + .focus-input::before {
    width: 100%;
}

.wrap-form-btn {
    position: relative;
    z-index: 1;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 5px 30px 0 rgba(3, 216, 222, 0.2);
}

.form-btn-bg {
    position: absolute;
    z-index: -1;
    width: 150%;
    height: 100%;
    background: linear-gradient(to right, #fc00ff, #00dbde, #fc00ff);
    left: -50%;
    transition: all 0.4s;
}

.form-btn {
    font-size: 1rem;
    color: #fff;
    line-height: 1;
    text-transform: uppercase;
    width: 100%;
    height: 3rem;
}

.wrap-form-btn:hover .form-btn-bg {
    left: 0;
}

.login-social-item {
    font-size: 2rem;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    transition: all 0.4s;
}

.login-social-item:hover {
    font-size: 3rem;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

.bg-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bg-bubbles li {
    position: absolute;
    list-style: none;
    display: block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.15);
    bottom: 0;
    visibility: hidden;
    animation: square 10s infinite;
    transition-timing-function: linear;
}

.bg-bubbles li:nth-child(1) {
    left: 5%;
    animation-delay: 3s;
}

.bg-bubbles li:nth-child(2) {
    left: 15%;
    width: 80px;
    height: 80px;
    animation-delay: 2s;
    animation-duration: 20s;
}

.bg-bubbles li:nth-child(3) {
    left: 25%;
}

.bg-bubbles li:nth-child(4) {
    left: 35%;
    width: 60px;
    height: 60px;
    animation-duration: 15s;
}

.bg-bubbles li:nth-child(5) {
    left: 45%;
    animation-delay: 0.5s;
    animation-duration: 12s;
}

.bg-bubbles li:nth-child(6) {
    left: 55%;
    width: 50px;
    height: 50px;
    animation-delay: 1.5s;
    animation-duration: 12.5s;
}

.bg-bubbles li:nth-child(7) {
    left: 65%;
    width: 120px;
    height: 120px;
    animation-delay: 4s;
    animation-duration: 25s;
}

.bg-bubbles li:nth-child(8) {
    left: 75%;
    width: 20px;
    height: 20px;
    animation-delay: 3.5s;
    animation-duration: 16s;
}

.bg-bubbles li:nth-child(9) {
    left: 85%;
    width: 10px;
    height: 10px;
    animation-delay: 2s;
    animation-duration: 14s;
}

.bg-bubbles li:nth-child(10) {
    left: 95%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 15s;
}

@keyframes square {
    0% {
        transform: translatey(0);
    }

    100% {
        visibility: visible;
        transform: translatey(-110vh) rotate(720deg);
    }
}