body {
    margin : 0;
    background: linear-gradient(to left top, yellow, lightblue, yellow);
    min-height : 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Courier New', Courier, monospace;
    color:darkcyan
}

.container {
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight : 700;
}

.input-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
}

.input  {
    padding: 10px;
    width: 70%;
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    font-size: 18px;
    border-radius: 10px;
    color: darkgreen;
    outline: none;
}

.error{
    color: red;
}