*{
  box-sizing: border-box;
  transition: .7s;
}
#aviso{
  display: none;
  position: fixed;
  top:70px;
  left:10px;
  max-width:650px;
  min-width:100px;
  padding: 10px;
  box-shadow:2px 2px 3px rgb(0,0,0,0.257);
  background-color: black;
  color:white;
  text-align: center;
  border-radius: 5px;
  margin-right:10px;
}
header,main,footer{
  width:100%;
}

header{
  background-color: black;
  color:white;
  padding: 10px 5px;
  position: sticky;
  top:-1px;
}

header img{
  width: 30px;
  height:20px;
  margin:5px;
}

header span{
  font:bold 1.2em monospace;
  color:lightgray;
}

main{
  padding:20px 7px;
}

section{
  max-width:700px;
  min-width: 150px;
  margin: 5px auto;
  padding: 10px;
  border-left:2px solid teal;
  border-bottom: 2px solid teal;
}
section p{
 width:100%;
}
input{
  width:100%;
  padding: 3px;
  outline:none;
  border: none;
  box-shadow: 2px 2px 3px rgb(0,0,0,0.257);
  border-radius: 5px;
  background-color: whitesmoke;
  font-family:monospace;
  text-align: center;
}
input:hover,input:focus{
  background-color: white;
  box-shadow: none;
  border-bottom: 3px solid green;
}
span,#atual-eq,#aviso{
  font-weight: bold;
}
.eq-m{
  color:red;
}

#msg{
  font-style: italic;
  font-size: .7em;
  font-weight: bold;
}
#solve{
  font:bold 1.02em monospace;
  color:teal;
  background-color: white;
}
#solve:focus{
  margin:auto;
}
footer{
  background-color: black;
  color:gray;
  padding: 20px 10px;
}

footer:hover{
  color:lightgray;
}

a{
  text-decoration: none;
  cursor:pointer;
  color:inherit;
}
footer p{
  text-align: left;
  font:italic 0.7em monospace;
  margin:0px;
}
a:visited{
  color:inherit;
}
a:hover{
  color:green;
}

hr{
  margin:0px;
}


#processo{
  width:100%;
  padding: 5px;
  background-color: aliceblue;
  font-family: monospace;
  letter-spacing:-2px;
  color:darkgreen;
  border-radius: 5px;
  box-shadow: 2px 2px 3px rgb(0,0,0,0.157);
}
#processo *{
  font-weight: normal;
}
#processo p{
  margin:0px;
  text-align: center;
}
#delta-fp{
  border-top:2px solid darkgreen;
  padding-right: 7px;
  padding: 2.1px 5px;
  margin-left: -0.2px;
  font-size:0.95em;
}
.raiz{
  font-size:1.4em;
}
.c-raiz{
  padding:1px 3px;
  margin-left: -0.2px;
  border-top: 2px solid darkgreen;
}
#m-m{
  border-bottom: 1.5px solid darkgreen;
  text-align: center;
  font-family: sans-serif;
  margin:5px;
};