backup.css

h1 {
    font-size: 2.5rem;
    z-index: 1;
  }

h2 {
    font-size: 1.5rem;
    z-index: 1;
  }

  h3 {
    font-size: 1rem;
  }

p {
    font-size: 1rem;
    z-index: 1;
  }

body {
    padding: 0.5rem;
    margin: 0.5rem;
    font-family: sans-serif;
    z-index: 1;
  }

  button {
        display: inline-block;
        background-color: transparent;
        border-radius: 1rem;
        border: 0.3rem double black;
        color: black;
        text-align: center;
        font-size: 1.5rem;
        padding: 0.5rem;
        width: 10rem;
        -webkit-transition: all 0.5s;
        -moz-transition: all 0.5s;
        -o-transition: all 0.5s;
        transition: all 0.5s;
        cursor: pointer;
        margin: 0.5rem;
  }

  button:hover {
  background-color: lightgreen;
}

  iframe {
  border-radius: 1rem;
  padding-bottom: 2rem;
}

.grid-container {
  display: grid;
  grid-template-columns: auto auto auto;
  grid-column-gap: 0.2rem;
  padding: 0.2rem;
}

.image-container {
  display: flex;
  padding: 0.5rem;
}

.coluna {
  flex: 20%;
  max-width: 30%;
  padding: 0 4px;
}

.imageItem {
  height: 10rem;
  width: auto;
  margin-top: 1rem;
  vertical-align: middle;
}

.grid-item {
  margin-top: 8px;
  vertical-align: middle;
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cont {
  display: grid;
  grid-template-columns: auto auto auto;
  margin-top: : 0;
  padding: 0;
}

#c1 {
  grid-row-start: 1;
  grid-row-end: 3;
}


#Submenu0 {

}

#Submenu1 {
  display: none;
}

#Submenu2 {
  display: none;
}

#Submenu3 {
  display: none;
}

#Submenu4 {
  display: none;
}