body {
    height: 100vh;
    display: flex;
    place-content: center;
}

.container {
    display: grid;
    place-content: center;
}

.thanks p{
    display: grid;
    place-items: center;
}

.thanks {
    animation-name: flicker;
    animation-duration: 3s;
    padding: 10px;
    animation-iteration-count: infinite;
}

@keyframes flicker {
    0% {
        outline: #006AFF;
        border-color: #006AFF;
        box-shadow: 0 0 5px hsl(215, 75%, 55%);
    }

    20% {
        outline: #006AFF;
        border-color: #006AFF;
        box-shadow: 0 0 10px hsl(0, 75%, 55%);
    } 
    
    40% {
        outline: #006AFF;
        border-color: #006AFF;
        box-shadow: 0 0 5px hsl(108, 100%, 29%);
    }
    
    60% {
        outline: #6d9bdb;
        border-color: #5f799e;
        box-shadow: 0 0 10px hsl(0, 53%, 31%);
    }

    80% {
        outline: #006AFF;
        border-color: #006AFF;
        box-shadow: 0 0 5px hsl(215, 75%, 55%);
    }

    100% {
        outline: #006AFF;
        border-color: #006AFF;
        box-shadow: 0 0 5px hsl(215, 75%, 55%);
    }
}