* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: rgba(0, 0, 0, 0.785);
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.generator {
    width: 400px;
    padding: 25px 35px;
    background: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 10px;
}

.generator p {
    text-align: center;
    font-weight: 600;
}

.generator input {
    display: block;
    width: 100%;
    padding: 10px 6px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

.generator input:focus {
    outline: none;
}

.generator #imgBox {
    width: 200px;
    border-radius: 5px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 1s linear;
}

.generator #imgBox img {
    width: 100%;
    padding: 10px;
}

.generator #imgBox.show {
    max-height: 300px;
    margin: 10px auto;
    border: 1px solid #d1d1d1;
}

.generator button {
    display: block;
    width: 100%;
    padding: 8px 4px;
    border: none;
    background-color: #494EEA;
    color: #fff;
    font-size: 16px;
    border-radius: 8px;
    margin-top: 10px;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all .3s ease-in-out;
}

.generator button:hover {
    background-color: #262bb2;
}

.error {
    border: 1px solid red !important;
    animation: shake 0.1s linear 5;
}

@keyframes shake {
    0% {
        transform: translateX(0px);
    }
    25% {
        transform: translateX(-2px);
    }
    50% {
        transform: translateX(0px);
    }
    75% {
        transform: translateX(2px);
    }
    100% {
        transform: translateX(0px);
    }
}