html {
    min-height: 100%;
}

body {
    background: rgb(255, 255, 255);
    background: linear-gradient(0deg, rgba(255, 255, 255, 1) 50%, rgb(255, 0, 0) 100%);
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.header-img {
    width: 130px;
    padding: 10px;
}

.website-title {
    font-size: 30px;
    font-weight: bold;
}

.website-url {
    font-size: 20px;
}

.website-url-icon {
    position: relative;
    top: 5px;
    right: 3px;
}

.remarque-modal {
    background-color: rgba(255, 0, 0, 0.158);
    border: 1px solid rgb(255, 0, 0);
    border-radius: 5px;
    width: 250px;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    text-align: center;
    padding: 10px
}

.app {
    margin: auto;
    width: 300px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    align-items: center;
}

.main-mark{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px
}

.oldnote-input{
    display: flex;
    gap: 10px;
    justify-self: center;
    align-items: center;
}

.oldnote-separator{
    font-size: 40px;
}

input{
    width: 45px;
    padding: 8px;
    border: 1px solid gray;
    border-radius: 5px;
    font-size: 20px;
    font-weight: bold;
}

.main-result{
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    gap: 5px
}

.result-separator{
    font-size: 40px;
}

.result-equal{
    font-size: 40px;
}

.result-value{
    font-size: 35px;
}

.mark-info{
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.website-subtitle{
    font-size: 18px;
}