custom.css

.btn-circle.btn-xl {
    width: 70px;
    height: 70px;
    padding: 10px 16px;
    border-radius: 35px;
    font-size: 24px;
    line-height: 1.33;
}

.btn-circle {
    width: 30px;
    height: 30px;
    padding: 6px 0px;
    border-radius: 15px;
    text-align: center;
    font-size: 12px;
    line-height: 1.42857;
}

.pre-style {
    display: block;
    padding: 9.5px;
    margin: 0 0 10px;
    font-size: 13px;
    line-height: 1.42857143;
    color: #333;
    word-break: break-all;
    word-wrap: break-word;
    background-color: #f5f5f5;
    border: 1px solid #ccc;
    border-radius: 4px;
}

::selection {
    color: black;
    background: #B4D5FE;
  }