body{
  width: 100%;
  height: 100%;
  font-family: arimo;
  overflow:hidden;
}
 
.borderBox{
  position: relative;
  top: 34vh;
  left:12vw;
  background-color: #e1b600;
  font-family: arimo;
  width: 50%;
  display:flex;
  flex-wrap: wrap;
}

.txtTitle{
  display:inline-block; 
  font-family: arimo;
  position: relative;
  bottom:5%;
  padding: 2%;
  margin: auto;
  text-align: center;
}
.txtTitle h1{
  font-size: 45px;
  font-weight: bold;
  font-family: arimo;
}

.btnBorder{
  padding:5%;
  text-align: center;
  margin: auto;
}

.startBtn{
  text-decoration: none;
  color: #ffffff;
  background-color: #808080;
  border-radius: 20px;
  font-size: 50px;
  font-family: arimo;
}

@media screen and (max-width: 770px){
  .startBtn{
    text-decoration: none;
    color: #ffffff;
    background-color: #808080;
    border-radius: 20px;
    font-size: 30px;
    font-family: arimo;
  }
  .txtTitle{
    display:inline-block; 
    font-family: arimo;
    position: relative;
    bottom:5%;
    padding: 2%;
    margin: auto;
    text-align: center;
  }
  .txtTitle h1{
    font-size: 20px;
    font-weight: bold;
    font-family: arimo;
  }
  .borderBox{
    left: 0vw;
    margin:auto;
    background-color: #e1b600;
    font-family: arimo;
    display:flex;
    flex-wrap: wrap;
  }
}

@media screen and (max-width: 480px){
  .startBtn{
    text-decoration: none;
    color: #ffffff;
    background-color: #808080;
    border-radius: 20px;
    font-size: 30px;
    font-family: arimo;
  }
  .txtTitle{
    display:inline-block; 
    font-family: arimo;
    position: relative;
    bottom:5%;
    padding: 2%;
    margin: auto;
    text-align: center;
  }
  .txtTitle h1{
    font-size: 20px;
    font-weight: bold;
    font-family: arimo;
  }
  .borderBox{
    left: 0vw;
    margin:auto;
    background-color: #e1b600;
    font-family: arimo;
    display:flex;
    flex-wrap: wrap;
  }

  .mod-b{
    height: 60%;
  }
}

@media screen and (max-width: 320px){
  .startBtn{
    text-decoration: none;
    color: #ffffff;
    background-color: #808080;
    border-radius: 20px;
    font-size: 30px;
    font-family: arimo;
  }
  .txtTitle{
    display:inline-block; 
    font-family: arimo;
    position: relative;
    bottom:5%;
    padding: 2%;
    margin: auto;
    text-align: center;
  }
  .txtTitle h1{
    font-size: 20px;
    font-weight: bold;
    font-family: arimo;
  }
}