*,
html,
body {
    margin: 0;
    padding: 0;
}
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: white;
    color: black;
}

.dark-mode{
    background-color:black;
    color: white;
}
.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    gap: 20px;
    text-align: center;
}

.banner {
    width: 50%;
    height: 50%;
    margin: 20px auto 0;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 2px 2px 7px 1px #13bcc2;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.banner:hover {
    box-shadow: 0 0 20px rgba(255, 9, 9, 0.5);
    background-color: rgb(255, 9, 9);
    transition: background-color 0.5s ease;
}    

nav {
    position: fixed;
    bottom: 0;
    background-color: black;
    width: 100%;
    padding: 15px;
}
nav a {
    color: white;
    padding: 15px;
    text-decoration: none;
    font-weight: 700;
}
nav a:hover {
    background-color: rgb(0, 250, 187);
    cursor: pointer;
    transition: background-color 0.5s ease;
}
.zikdy{
   border: 2px solid black;
   border-radius: 10px;
    padding: 20px;
    background-color: rgb(9, 229, 245);
    color: black;
    box-shadow: 2px 2px 7px 1px #12e9ba;
    animation: zikdy-move 2s infinite;
}

@keyframes zikdy-move {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}
.zikdy:hover {
    background-color: rgb(0, 250, 187);
    color: white;
    box-shadow: 2px 2px 7px 1px #12e9ba;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.zik {
    border: 2px solid black;
    border-radius: 10px;
    padding: 10px;
    color: black;
     background-color: rgb(9, 229, 245);    
    position: absolute;
    top: 2%;
    left: 1%;
    text-align: center;
    font-size: 24px;
    animation: zik-move 2s infinite;
}
@keyframes zik-move {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}
.zik:hover {
    background-color: rgb(0, 250, 187);
    color: white;
    box-shadow: 2px 2px 7px 1px #12e9ba;
    transition: background-color 0.5s ease, color 0.5s ease;
}
.tester {
    display:flex;
    justify-content: center;
    align-items: center;
    top: 20%;
    position: absolute;
    font-size: 20px;
    font-weight: 600;
    animation: kicau-mania .5s infinite;
}

@keyframes kicau-mania {
    0% {
        font-size: 20px;
    }
    50% {
        font-size: 22px;
    }
    100% {
        font-size: 20px;
    }
}

.info{
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 10%;
    font-size: 16px;
    font-weight: 700;
    animation: jedag-jedug .5s infinite;
}

@keyframes jedag-jedug {
    0% {
        font-size: 16px;
    }
    50% {
        font-size: 18px;
    }
    100% {
        font-size: 16px;
    }
}