*{
    margin: 0;
    padding: 0;
}

body{
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    height: 100vh;
    background-size: 1000% 1000%;
    background-image:linear-gradient(150deg, rgb(70, 7, 121), rgb(140, 0, 255), rgb(84, 7, 117), rgb(107, 6, 6), black);
    animation: mudarcor 7s infinite alternate;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

@keyframes mudarcor {
    0%{background-position-x: 0%;}
    100%{background-position: 100%;}
}

.menu{
    width: 80%;
    height: 60%;
    backdrop-filter: blur(200px);
    border-radius: 5px;
    box-shadow: 0px 0px 30px rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    align-items: center;
}

.item{
    gap: 10px;
    color: white;
    opacity: 30%;
    width: 25%;
    height: 90%;
    backdrop-filter: blur(30px);
    border-radius: 5px;
    box-shadow: 0px 3px 10px rgba(255, 255, 255, 0.5);
    background-color: rgba(0, 0, 0, 0.2);
    transition: all ease-in-out 0.5s;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.item:hover{
    opacity: 100%;
    width: 40%;
    color: white;
}

.item:hover button{
    opacity: 100%;
    padding: 10px 10px;
}

img{
    margin-top: 5px;
    align-self: center;
    width: 40%;
    transform: translateX(0px);
    animation: imgflutuando 6s ease-out infinite;
}

.logo{
  position: fixed;
  top: 30px;
  left:30px;
  width: 18%;
} 

@keyframes imgflutuando {

    0%{
        transform: translateY(0px);
    }

    50%{
        transform: translateY(-18px);
    }

    100%{
        transform: translateY(0px);
    }
}

a{
    text-decoration: none;
    color: #000000;
}

button{
    padding: 5px 10px;
    margin-top: 10px;
    border: none;
    border-radius: 5px;
    background-size: 1000% 1000%;
    background-color: white;
    animation: mudarcor 7s infinite alternate;
    box-shadow: 0px 0px 5px white;
    opacity: 0%;
}

.voltar{
    width: 10%;
    height: 5%;
    background-size: 1000% 1000%;
    background-color: rgba(255,255,255, 0.8);
    box-shadow: 0px 1px 5px white;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform 0.5s ease;
}

.voltar:hover{
    transform: scale(1.2);
}