tts_app/static/css/pages/index.css

.main-container {
    position: relative;
    width: 100%;
    min-height: 300px;
    font-size: 1rem;
    font-weight: 400;
}

.container {
    width: 1140px;
    position: relative;
}

/*tabs*/
.tabs {
    display: flex;
    left: 0;
}

.tab-button {
    display: inline-block;
    background-color: transparent;
    padding: 5px 10px;
    cursor: pointer;
    margin-bottom: -2px;
    border-top: 2px solid transparent;
    border-left: 2px solid transparent;
    border-right: 2px solid transparent;
    border-bottom: 0;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
    color: gray;
}

.tab-button.active {
    background-color: white;
    border-top: 2px solid #dee2e6;
    border-left: 2px solid #dee2e6;
    border-right: 2px solid #dee2e6;
    color: black;
}

/*content*/

.content {
    min-height: 550px;
}

.content-pane {
    display: none;
    padding: 20px;
}

.content-pane.active {
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

*, :before, :after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #e5e7eb;
}

.main-container label {
    margin-bottom: 0.5rem;
}

.play-button button {
    margin-left: 10px;
    margin-right: 10px;
}

.player {
    justify-content: center;
    align-items: center;
    height: 80px;
    margin-top: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 0, 0, .125);
    border-radius: 0.25rem;
    /*background-color: rgba(238, 238, 238, 0.2);*/
}

.player audio {
    width: 600px;
}

.play-button {
    display: flex;

}


.play-button .form-check input, .play-button .form-check label {
    display: inline-block;
    vertical-align: middle
}

.play-button .form-check label {
    margin-top: 8px;
}


.floating-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
}


.settings-icon:hover {
    cursor: pointer;
}


/*@keyframes rotate {*/
/*    0% {*/
/*        transform: rotate(0deg);*/
/*    }*/
/*    100% {*/
/*        transform: rotate(360deg);*/
/*    }*/
/*}*/

/*.floating-icon .settings-icon {*/
/*    display: inline-block;*/
/*    animation: rotate 2s linear infinite;*/
/*}*/


.api-key-input {
    display: none;
    position: absolute;
    bottom: 40px;
    right: 0;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    padding: 10px;
}

.api-key-input input {
    width: 260px;
}

.api-key-input button {
    padding: 5px 10px;
    background-color: #3498db;
    color: #fff;
    border: none;
    cursor: pointer;
}