body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.chat-container {
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    padding: 10px;
}

.chat-box {
    height: 440px;
    overflow-y: scroll;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
}

.input-container {
    display: flex;
}

.input-container input {
    flex-grow: 1;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.input-container button {
    padding: 5px 10px;
    background-color: #007bff;
    border: none;
    border-radius: 3px;
    color: white;
    cursor: pointer;
}

.message{
    border-radius: 5px;
    display: inline-block;
    padding: 10px 18px;
    position: relative;
    margin: 10px;
    max-width: 80%;
}

.sent{
    background-color: #158ffe;
    color: #fff;
    float: right;
    margin-right: 32px;
}

.received{
    background-color: #e6e5eb;
    float: left;
    margin-left: 5px;
}

.basic{
    background-color: #e6e5eb;
    float: left;
    margin-left: 5px;
    display: block;
}

.intro-container{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.intro-container img{
    width: 50%;
    min-width: 300px;
}

#loader{
    font-size: 25px;
    text-align: center;
}

.kakao-ad{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 350px;
    min-height: 200px;
}