*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
}

.App-header {
background-color: #282c34;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
text-align: center;
font-size: calc(10px + 2vmin);
}

.simulation{
  width: 100vw;
  max-width: 500px;
  height: 350px;
  position: relative;
}  
.text{
  position: absolute;
  top:10;
  font-size: 18px;
  font-weight: bold;
  left:50%;
  transform: translateX(-50%);
  z-index: 1000;
  color: #e5e9eb;
}

.transmission-Info{
  background-color: wheat;
  padding: 1rem;
  margin: .5rem;
  color: black;
  width: 95vw;
  max-width: 450px;
}

.text{
  z-index: 10000;
  color: black;
}

.buttons{
  display: flex;
  gap: 0.5rem;
  margin: 1rem;
}
label{
font-size: 13px;
left: 10px;
top: 5px;
position: absolute;
}
.input-bar{
display: flex;
align-items: center;
color: white;
background-color: #1bfff751;
padding: .5rem;
padding-top: 1.5rem;
border-radius: 1rem;
position: relative;
}
.input{
background-color: #0074d9;
border: 1px black solid;
border-radius: 1rem;
width: 100px;
text-align: center;
padding: .5rem;
font-size: 1rem;
margin: 5px;
}
.hidden-node{
display: flex;
height: 400px;
justify-content: center;
align-items: center;
}
.input[type="number"]::-webkit-inner-spin-button{
display: none;
}
option{
text-align: center;
padding: 1rem;
margin: 15px 0;
}
.node{
background-color: blue;
color: white;
display: flex;
z-index: 2000;
justify-content: center;
align-items: center;
border: 2px solid white;
border-radius: 50%;
width: 50px;
height: 50px;
position: relative;
}
.wave{
border: 2px solid red;
background-color: transparent;
width: 0;
height: 0;
position: absolute;
border-radius: 50%;
display: none;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}
.node#A{
left: -10%;
}
.node#C{
left: 10%;
}
.node#D{
  left: 20%;
}
.coverage{
position: absolute;
width: 150px;
height: 150px;
z-index: -1;
content: "";
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
transform-origin: center;
background: rgba(255, 255, 255, 0.051);
border: 1px solid rgba( 255, 255, 255, 0.28 );
border-radius: 50%;
}