*, *::after, *::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    background-color: #ecf0f3;
    color: #a0a5a8;
}


.main {
    position: relative;
    width: 1000px;
    min-width: 1000px;
    min-height: 600px;
    height: 600px;
    box-shadow: 10px 10px 10px #d1d9e6, -10px -10px 10px #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    width: 600px;
    height: 100%;
    padding: 25px;
    background-color: #e3e7ea;
    transition: 1.25s;
}

.form {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.form_icon {
    object-fit: contain;
    width: 30px;
    margin: 0 5px;
    opacity: .5;
    transition: .15s;
}

    .form_icon:hover {
        opacity: 1;
        transition: .15s;
        cursor: pointer;
    }

.form_input {
    width: 350px;
    height: 40px;
    margin: 4px 0;
    padding-left: 25px;
    font-size: 13px;
    letter-spacing: .15px;
    border: none;
    outline: none;
    font-family: 'Montserrat', sans-serif;
    background-color: #ecf0f3;
    transition: .25s ease;
    border-radius: 8px;
    box-shadow: inset 2px 2px 4px #d1d9e6, inset -2px -2px 4px #f9f9f9;
    color: black;
}

    .form_input:focus {
        box-shadow: inset 4px 4px 4px #d1d9e6, inset -4px -4px 4px #f9f9f9;
    }

.form_span {
    margin-top: 30px;
    margin-bottom: 12px;
}

.link {
    color: #181818;
    font-size: 15px;
    margin-top: 25px;
    border-bottom: 1px solid #a0a5a8;
    line-height: 2;
}

.title {
    font-size: 34px;
    font-weight: 700;
    line-height: 3;
    color: #ffffff;
}

.description {
    font-size: 14px;
    letter-spacing: .25px;
    text-align: center;
    line-height: 1.6;
}

.button {
    width: 180px;
    height: 50px;
    border-radius: 25px;
    margin-top: 50px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1.15px;
    background-color: #084e80;
    color: #f9f9f9;
    /*box-shadow: 8px 8px 16px #d1d9e6, -8px -8px 16px #f9f9f9;*/
    border: none;
    outline: none;
}

/**/
.a-container {
    z-index: 100;
    left: calc(100% - 600px );
}

.b-container {
    left: calc(100% - 600px );
    z-index: 0;
}

.switch {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 400px;
    padding: 50px;
    z-index: 200;
    transition: 1.25s;
    background-color: #7395af;
    overflow: hidden;
    box-shadow: 4px 4px 10px #d1d9e6, -4px -4px 10px #f9f9f9;
}

.switch_container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: absolute;
    width: 400px;
    padding: 50px 55px;
    transition: 1.25s;
}

.switch_button {
    cursor: pointer;
}

    .switch_button:hover {
        box-shadow: 6px 6px 10px #d1d9e6, -6px -6px 10px #f9f9f9;
        transform: scale(0.985);
        transition: .25s;
    }

    .switch_button:active, .switch_button:focus {
        box-shadow: 2px 2px 6px #d1d9e6, -2px -2px 6px #f9f9f9;
        transform: scale(0.97);
        transition: .25s;
    }

.form_button {
}

    .form_button:active, .form_button:focus {
        box-shadow: 2px 2px 6px #d1d9e6, -2px -2px 6px #f9f9f9;
        transform: scale(0.97);
        transition: .25s;
    }

    .form_button:hover {
        box-shadow: 6px 6px 10px #d1d9e6, -6px -6px 10px #f9f9f9;
        transform: scale(0.985);
        transition: .25s;
    }

/**/
.is-txr {
    left: calc(100% - 400px );
    transition: 1.25s;
    transform-origin: left;
}

.is-txl {
    left: 0;
    transition: 1.25s;
    transform-origin: right;
}

.is-z200 {
    z-index: 200;
    transition: 1.25s;
}

.is-hidden {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    transition: 1.25s;
}

.is-gx {
    animation: is-gx 1.25s;
}

@keyframes is-gx {
    0%, 10%, 100% {
        width: 400px;
    }

    30%, 50% {
        width: 500px;
    }
}