styles.css

.reportview-container, .main {
    background: #ffffff;
    color: #000000;
}
.sidebar .sidebar-content {
    background: #f0f2f6;
    color: #000000;
}
.stButton>button {
    background-color: #0D62FE;
    color: white;
}
.stTextInput>div>div>input {
    color: #000000;
    background-color: #ffffff;
}
.tTextArea>div>textarea {
    color: #000000;
    background-color: #ffffff;
}
label, .stTextInput>label, .stTextArea>label {
    color: #000000;
}
h1, h2, h3, h4, h5, h6 {
    color: #000000;
}
.sidebar .sidebar-content h2, .sidebar .sidebar-content h3, .sidebar .sidebar-content h4, .sidebar .sidebar-content h5, .sidebar .sidebar-content h6,
.sidebar .sidebar-content label, .sidebar .sidebar-content .stTextInput>label, .sidebar .sidebar-content .stTextArea>label {
    color: #000000;
}
.navbar {
    overflow: hidden;
    background-color: #000000;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}
.navbar h1 {
    float: left;
    display: block;
    color: #ffffff;
    text-align: center;
    padding: 14px 1x;
    text-decoration: none;
    font-size: 17px;
    margin: 0;
}
.menu-bar {
    background-color: #000000;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.menu-bar h1 {
    color: #ffffff;
    margin: 0;
    font-size: 18px;
    font-family: 'IBM Plex Sans', sans-serif;
}