body {
  background-color: rgb(240, 240, 240);
  background-size: 100% 500%;
  color: black;
}

#banner {
  position: absolute;
  top: 2vmin;
  left: 50%;
  transform: translateX(-50%);
  border: solid black 0.1vmin;
  border-radius: 4vmin;
  max-width: 70vw;
  user-select: none;
  height: 18vmin;
  color: black;
}

h1 {
  font-size: large;
  position: absolute;
  left: 50%;
  top: 20vmin;
  transform: translateX(-50%);
  color: black;
  padding: 5vmin;
  background-color: rgb(230, 230, 230);
  border: 0.1vmin black solid;
  user-select: none;
}

#column1, #column2 {
  position: absolute;
  top: 0;
  width: 10%;
  height: 100%;
  background-color: rgb(230, 230, 230);
  border-left: 0.1vmin black solid;
  border-right: 0.1vmin black solid;
  color: black;
}

#column1 {
  left: 0;
}
#column2 {
  right: 0;
}

#tab {
  position: absolute;
  top: 50vmin;
  left: 50%;
  transform: translateX(-50%);
  padding: 4vmin;
  border: 0.1vmin black solid;
  border-radius: 3vmin;
  background-color: rgb(245, 245, 245);
  height: auto;
  color: black;
}

input {
  border: none;
  text-align: center;
  background-color: transparent;
  color: black;
}
input:focus {
  text-align: center;
  border: none;
  outline: none;
}

#inp1 {
  padding: 0.5vmin;
  color: black;
  background-color: rgb(245, 245, 245);
  border-top: 0.1vmin rgb(180, 180, 180) solid;
  border-left: 0.1vmin rgb(180, 180, 180) solid;
  border-right: 0.1vmin rgb(180, 180, 180) solid;
  text-align: center;
}
#inp1:hover {
  background-color: rgb(230, 230, 230);
  border-top: 0.1vmin rgb(120, 120, 120) solid;
  border-left: 0.1vmin rgb(120, 120, 120) solid;
  border-right: 0.1vmin rgb(120, 120, 120) solid;
}

#inp2 {
  padding: 0.5vmin;
  color: black;
  background-color: rgb(245, 245, 245);
  border-top: 0.1vmin rgb(180, 180, 180) solid;
  border-left: 0.1vmin rgb(180, 180, 180) solid;
  border-right: 0.1vmin rgb(180, 180, 180) solid;
  text-align: center;
}
#inp2:hover {
  background-color: rgb(230, 230, 230);
  border-top: 0.1vmin rgb(120, 120, 120) solid;
  border-left: 0.1vmin rgb(120, 120, 120) solid;
  border-right: 0.1vmin rgb(120, 120, 120) solid;
}

.inp3 {
  background-color: rgb(220, 220, 220);
  color: black;
  height: 120%;
  width: 100%;
  padding: 1.4vmin;
  border: 0.1vmin solid rgb(180, 180, 180);
  cursor: pointer;
}
.inp3:hover {
  background-color: rgb(200, 200, 200);
  border: 0.1vmin solid rgb(120, 120, 120);
}

#inp4 {
  background-color: rgb(245, 245, 245);
  border: none;
  color: black;
  text-align: center;
  width: 100%;
  transition: color 1s;
}
#inp4:hover {
  color: rgb(180, 0, 0);
}

hr {
  margin-left: -10%;
  width: 120%;
  border-color: rgb(180, 180, 180);
}

@media screen and (max-width: 768px) {
  #tab {
    top: 50vmin;
  }
}