.exchange {
    border: none;
    padding: 4px 6px;
    background: rgb(67, 210, 171);
    border-radius: 10px;
    vertical-align: middle;
    color: #fff;
    font-size: 12px;
    vertical-align: middle;
    cursor: pointer;
    margin-right: 20px;
    position: relative;
    z-index: 100;
}

.exchange_box {
    width: 256px;
    height: 186px;
    background: white;
    border-radius: 3px;
    /* box-shadow: -2px 5px 10px #c3cfea; */
    position: absolute;
    left: 50%;
    margin-left: -128px;
    top: 23%;
}

.exchange_box-form {
    padding: 20px;
    color: #797979;
}

.exchange_box-form h3 {
    text-align: center;
    font-weight: bold;
}

.exchange_box-form input {
    width: 100%;
    height: 32px;
    line-height: 32px;
    padding: 3px;
    box-sizing: border-box;
    margin-top: 25px;
    border-radius: 5px;
    border: 1px solid #d8d5d5;
}

.exchange_box-form button:nth-child(1) {
    border: 1px solid #adadad;
    border-radius: 15px;
    padding: 5px 15px;
    background: #fff;
    margin-top: 32px;
}

.exchange_box-form button:nth-child(2) {
    border: 1px solid #adadad;
    border-radius: 15px;
    padding: 5px 15px;
    color: #fff;
    background: rgb(67, 210, 171);
    float: right;
    margin-top: 32px;
}

.exchange_box-form button:hover {
    opacity: .5;
}

.modal-layer {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    visibility: hidden;
    transform: scale(1.1);
    transition: opacity 0.25s 0s, transform 0.25s;
}

.modal-layer.show {
    visibility: visible;
    transform: scale(1.0);
    transition: opacity 0.25s 0s, transform 0.25s;
    z-index: 9999;
}

.modal-dialog-container {
    position: absolute;
    top: 23%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border-radius: 0.5rem;
}