body {
    font-family: Arial, Helvetica, sans-serif;
}

input[type=text],
input[type=password] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
    border-radius: 10px;
}

#R5 {
    margin-bottom: 20px;
}

button {
    background-color: #4CAF50;
    color: #ffffff;
    padding: 20px 0 20px 0;
    margin: 0;
    border: none;
    cursor: pointer;
    width: 100%;
    font-size: 20px;
    border-radius: 10px;
}

button:hover {
    opacity: 0.8;
    /* text-decoration: underline; */
}

.container {
    padding: 16px;
}

.B {
    width: 81px;
    margin: 10px 12px 0 0;
    background-color: #f44336;
    padding: 5px 0 5px 0;
    font-size: 10px;
}
#B {
    margin-top: 10px;
}
#B3 {
    margin: 10px 0 0 0;
}

#B4 {
    float: right;
    margin: 10px 0 0 0;
}

.ER {
    float: right;
    font-size: 10px;
    color: red;
}

.modal {
    position: fixed;
    z-index: 1;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fefefe;
    /* width: 300px; */
    margin: auto;
    border: 5px solid #888;
    border-radius: 20px;
}

.animate {
    -webkit-animation: animatezoom 0.6s;
    animation: animatezoom 0.6s
}

@-webkit-keyframes animatezoom {
    from {
        -webkit-transform: scale(0)
    }
    to {
        -webkit-transform: scale(1)
    }
}

@keyframes animatezoom {
    from {
        transform: scale(0)
    }
    to {
        transform: scale(1)
    }
}