.mathquill4quill-mathquill-input {
    border: 1px solid #ccc;
    font-size: 13px;
    min-height: 26px;
    margin: 0;
    padding: 3px 5px;
    width: 170px;
}

.mathquill4quill-operator-button {
    margin: 5px;
    width: 50px;
    height: 50px;
    background-color: #fff;
    border-color: #000;
    border-radius: 7px;
    border-width: 2px;
}

.mathquill4quill-operator-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.mathquill4quill-history-button {
    overflow: hidden;
    margin: 5px;
    width: 270px;
    height: 65px;
    min-height: 60px;
    background-color: #fff;
    border-color: #000;
    border-radius: 7px;
    border-width: 2px;
    cursor: pointer;
    transition: background-color 0.3s linear;
    opacity: 1;
}

    .mathquill4quill-history-button:hover {
        background-color: rgb(239, 240, 241);
        opacity: 0.7;
    }

.mathquill4quill-history-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 300px;
    height: 150px;
    overflow: auto;
}

.mathquill4quill-history-container-with-delete-button {
    width: 318px;
}

.mathquill4quill-latex-input {
    visibility: hidden !important;
    padding: 0 !important;
    border: 0 !important;
    width: 0 !important;
}

.mathquill4quill-history-delete-button::after {
    display: inline-block;
    content: "\00d7";
    padding: 7px;
    cursor: pointer;
}

.mathquill4quill-history-inner-container {
    display: flex;
    justify-content: space-between;
}

.mathquill4quill-operator-category {
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 5px;
    width: 100%;
}

.mathquill4quill-button-container {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.mathquill4quill-button-container .katex svg,
.mathquill4quill-button-container .katex .overlay {
    background: transparent !important;
    position: static !important;
    margin: 0 !important;
    box-shadow: none !important;
    display: inline !important;
}