.welcome {
    text-align: center;
    color: green;
    position: relative;
    animation-name: welcome;
    animation-duration: 5s;
}

@keyframes welcome {
    0% {
        left: 0px;
        top: 0px;
    }

    25% {
        left: 300px;
        top: 0px;
    }

    50% {
        left: 0;
        top: 0px;
    }

    75% {
        left: -300px;
        top: 0px;
    }

    100% {
        left: 0px;
        top: 0px;
    }
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    text-align: left;
    padding: 8px;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

a:link,
a:visited {
    background-color: #04AA6D;
    color: white;
    padding: 14px 25px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

a:hover,
a:active {
    background-color: #145814;
}