h3.panel-header {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    padding: 0;
}

.flex-wrapper {
     background-color: #eff8ff;
     border-style: solid;
     border-color: #2874bb;
     border-width: 1px;
     border-radius: 4px;
     width: 100%;
     max-width: 800px;
     margin: 0 auto;
     margin-bottom: 14px;
     padding: 14px;
}
 .flex-container {
     display: flex;
     flex-direction: row;
     justify-content: center;
     width: 100%;
}
 .flex-container div {
     background-color: #eff8ff;
     width: 40%;
     margin: 2px;
     padding: 2px;
}