/*Padrão a todos (celular) */

/*animacoes*/
@keyframes hue-bg-topo {
    0%  {filter: hue-rotate(0deg);}
    50% {filter: hue-rotate(360deg);}
    100%{filter: hue-rotate(0deg);}
}

@keyframes brisa {
    0%  {filter: hue-rotate(0deg); transform: rotate(0)}
    10% {transform: rotate(-3deg)}
    40% {filter: hue-rotate(360deg); transform: rotate(2deg)}
    70% {transform: rotate(-1deg)}
    100%{filter: hue-rotate(0deg);}
}

*, body{
    font-family: 'Trebuchet MS';
    overflow-x: hidden;
}

header{
    text-align: center;
    font-size: 1em;
    font-weight: bold;
    position: fixed;
    opacity: 0;
    top: -30px;
    z-index: 99;
    color: #34495e;
    transition: 0.3s;
}

.header-fixo{
    opacity: 1;
    top: 10px;
}

.topo{
    height: 100vh;
    background: url("https://f.vividscreen.info/soft/ca6456b3e1d98ae9cdeaa21126b49320/Space-Galaxy-1600x900.jpg") center / cover;
    background-attachment: fixed;
    color: #ecf0f1;
    text-align: center;
}

.stop-brisa{
    display: none;
    text-decoration: overline;
    cursor: pointer;
}

.start-brisa{
    text-decoration: line-through;
    cursor: pointer;
}

.brisa{
    animation-name: brisa;
    animation-duration: 5s;
    animation-iteration-count: infinite;
}

.titulo-topo{
    margin-top: 45vh;
    font-size: 4em;
    font-weight: bold;
    text-shadow: 2px 2px #2980b9;
    transition: 0.2s;
}

.titulo-topo:hover{
    text-shadow: 2px 4px #2980b9;
}

.texto-topo{
    transition: 0.2s;
}

.texto-topo:hover{
    text-shadow: 1px 1px #2980b9;
}

.borda-colorida-main{
    background: #2980b9;
    height: 20px;
    background-repeat: repeat-x;
    animation-name: hue-bg-topo;
    animation-duration: 5s;
    animation-iteration-count: infinite;
    transition: 0.3s;
    width: 100%;
    position: absolute;
    bottom: 0;
}

.fixa-topo{
    width: 100%;
    z-index: 99;
    height: 5px;
    position: fixed;
    top: 0;
}

main{
    /*height: 1000px;*/
    background: #ecf0f1;
}


@media only screen and (min-width: 600px) {
    /* Para tablets: */

}
@media only screen and (min-width: 768px) {
    /* Para desktop: */

}