html, body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.principal {
  width: auto;
  margin-left: 17%;
  padding-top: 42px;
  background-color: #eeeeee;
}
.box {
  background-color: #fafafa;
  width: 81.8vw;
  display: flex;
  flex-wrap: wrap;
}
.item {
  background-color: #fafafa;
  height: 100%;
  border-bottom: 3px solid #eee;
} 
.logo {
  width: 55%;
  display: flex;
  align-items: center;
  height: 25vh;
  padding-left: 20px;
}
.medidor {
  width: 45%;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 25vh;
}
.tutorial {
  width: 65%;
  display: flex;
  align-items: center;
  height: 53vh;
  font-size: 13px ;
  padding-left: 20px;
  color: #008b36;
}
.login {
  width: 35%;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 53vh;
  padding: 2px;
}
.borda{
    border: 1px solid #eee;
}
.footer {
  width: 100%;
  display: flex;
  align-items: center;
  height: 14vh;
  font-size: 13px;
  padding: 20px;
  color: #008b36;
}

/* ========== formulário ========== */

.input{height: 40px; border-radius: 0 !important; margin-top: -8px; margin-bottom: -10px;}
.titulo{font-size: 19px; color: #008b36; border-bottom: solid 1px #eee; margin-bottom: 10px;}
.label{font-size: 15px; color: #008b36;}
.cxbtn{margin-top: 20px;}
.btn-warning{width: 100%; height: 40px;}
.btn-success{width: 100%; height: 40px;}
.contato{width: 40%; background: #fafafa; border: none; color: #008b36;}