body {
    background: url('../images/Monnaie.jpg') no-repeat center fixed;
    background-size: cover;
    -webkit-background-size: cover;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

h1,
h2, h4 {
    background-color: #124670;
    border-radius: 30px;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: white;
    text-align: center;
    white-space: nowrap;
    background-color: #124670;
    border: 1px solid #124670;
    border-radius: 0.375rem;
}