*{
    margin: 0px;
    padding: 0px;
}

body{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 919px;
    transition-duration: 500ms;
}

footer {
    animation-name: footer;
    animation-duration: 2s;
    display: flex;
    border-top: 1px solid rgba(0, 0, 0, 0.3);
    justify-content: center;
    align-items: center;
    background-color: white;
    height: 15%;
    width: 100%;
    color: black;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition-duration: 500ms;
}

.dark-mode footer{
    background-color: black;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    transition-duration: 500ms;
}

@keyframes footer{
    0%{
        height: 0%;
    }100%{
        height: 15%;
    }
}

.dark-mode body{
    background:linear-gradient(to bottom right,#1c1c36 , #000000);
    transition-duration: 500ms;
}


@keyframes titulo{
0% {
    font-size: 10px;
} 100%{
    font-size: 50px;
}
}
@keyframes paragrafo{
    0%{ font-size: 10px;

    }100% {
        font-size: 20px;
    }
}

@keyframes botao{
    0%{
        width: 0px;
        height: 0px;
    }
    100%{
        width: 140px;
        height: 60px;
    }
}

@keyframes botao1{
    0%{
        width: 0px;
        height: 0px;
    }
    100%{
        width: 55px;
        height: 55px;
    }
}

body h1{
    margin: 300px 0px 0px 0px;
    animation-name: titulo;
    animation-duration: 1500ms;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 50px;
    animation-iteration-count:initial;
    transition-duration: 500ms;
}

body p{
    animation-name: paragrafo;
    animation-duration: 2000ms;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 20px;
    animation-iteration-count:initial;
    transition-duration: 500ms;
}

.dark-mode body p, .dark-mode body h1{
    color: white;
    transition-duration: 500ms;
}

.button{
    animation-name: botao;
    animation-duration: 1000ms;
    animation-iteration-count: 1;
    background-color: darkgray;
    width: 140px;
    height: 60px;
    border-radius: 100px;
    cursor: pointer;
    backdrop-filter: blur(20px);
}

.button::before {
    animation-name: botao1;
    animation-duration: 1000ms;
    animation-iteration-count: 1;
    position: absolute;
    top: 2px;
    left: 5px;
    content: '';
    background-color: #2d2d2d;
    height: 55px;
    width: 55px;
    border-radius: 50px;
    transition-duration: 200ms;
}

.dark-mode .button::before{
    left: 80px;
}

.togglecontainer {
    height: 100%;
    display: flex;
    justify-content: center;
    margin: 100px 0px 0px 0px;
}

.togglecontainer input{
    height: 0px;
}