input[type="text"] {
    border: none;
    background-color: #f2f2f2;
    padding: 20px;
    border-radius: 5px;
    margin: 20px auto;
    width: 300px;
    font-size: 18px;
}

.loading {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    display: none;
}

.loading .inside {
    width: 100vw;
    height: 100vh;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
}

.self-building-square-spinner,
.self-building-square-spinner * {
    box-sizing: border-box;
}

.self-building-square-spinner {
    height: 40px;
    width: 40px;
    top: calc(-10px * 2 / 3);
}

.self-building-square-spinner .square {
    height: 10px;
    width: 10px;
    top: calc(-10px * 2 / 3);
    margin-right: calc(10px / 3);
    margin-top: calc(10px / 3);
    background: rgb(29, 176, 255);
    float: left;
    position: relative;
    opacity: 0;
    animation: self-building-square-spinner 6s infinite;
}

.self-building-square-spinner .square:nth-child(1) {
    animation-delay: calc(300ms * 6);
}

.self-building-square-spinner .square:nth-child(2) {
    animation-delay: calc(300ms * 7);
}

.self-building-square-spinner .square:nth-child(3) {
    animation-delay: calc(300ms * 8);
}

.self-building-square-spinner .square:nth-child(4) {
    animation-delay: calc(300ms * 3);
}

.self-building-square-spinner .square:nth-child(5) {
    animation-delay: calc(300ms * 4);
}

.self-building-square-spinner .square:nth-child(6) {
    animation-delay: calc(300ms * 5);
}

.self-building-square-spinner .square:nth-child(7) {
    animation-delay: calc(300ms * 0);
}

.self-building-square-spinner .square:nth-child(8) {
    animation-delay: calc(300ms * 1);
}

.self-building-square-spinner .square:nth-child(9) {
    animation-delay: calc(300ms * 2);
}

.self-building-square-spinner .clear {
    clear: both;
}

@keyframes self-building-square-spinner {
    0% {
        opacity: 0;
    }

    5% {
        opacity: 1;
        top: 0;
    }

    50.9% {
        opacity: 1;
        top: 0;
    }

    55.9% {
        opacity: 0;
        top: inherit;
    }
}

.metting-btn {
    width: 24rem;
    align-items: center;
    display: flex;
    justify-content: space-between;
    font-size: 1.4rem;
    cursor: pointer;
    background: #333;
    color: #fff;
    align-items: center;
    padding: 1rem;
    width: 300px;
    border-radius: 5px;
}

.arrow {
    line-height: 0;

}

.arrow img {
    position: relative;
    top: 0.8rem;
    right: 1.6rem;
    transition: all .3s ease-in-out;
    filter: invert(1);
}

.metting-btn:hover img {
    right: 0;
}