#vyhledavac {
  width: 80%;
  height: 32px;
  padding: 2.2%;
  margin: 5% auto;
  background: #141414;
  border-radius: 8px;
  box-shadow: 0 1px 1px rgba(0,0,0,.4) inset, 0 1px 0 rgba(128,128,128,.2);
}

#vyhledavac form {
  height: 100%;
}

#vyhledavac input {
  height: 100%;
  width: 58%;
  padding: 0 3%;
  margin: 0;
  border-width: 0; 
  font: bold 80% 'Jura', sans-serif; 
  border-radius: 4px 0 0 4px;
}

#vyhledavac button {
  height: 100%;
  width: 36%;
  padding: 0;
  margin: 0; 
  border-width: 0; 
  float: right;
  cursor: pointer;
  color: white;
  font: bold 80% 'Jura', sans-serif;
  text-transform: uppercase;
  background: #2b2b2b;   
  border-radius: 0 4px 4px 0; 
  overflow: visible;
  position: relative;
}

#vyhledavac button:hover {
  color: #00adad;
  background: #232323;
}      

#vyhledavac button:before {
  content: '';
  position: absolute;
  border-width: 9px 9px 9px 0;
  border-style: solid solid solid none;
  border-color: transparent #2b2b2b transparent;
  top: 25%;
  left: -8px;
} 

#vyhledavac button:hover:before {
  border-color: transparent #232323 transparent;
}               

@media only screen and (max-width: 1250px) {
  
  #vyhledavac {
    height: 25px;
    border-radius: 6px;
  }
  
  #vyhledavac input {
    border-radius: 3px 0 0 3px;
  }
  
  #vyhledavac button {
    border-radius: 0 3px 3px 0; 
  }
  
  #vyhledavac button:before {
    border-width: 7px 7px 7px 0;
    top: 25%;
    left: -6px;
  }    
   
}

@media only screen and (max-width: 1000px) {
  
  #vyhledavac {
    height: 18px;
    border-radius: 4px;
  } 
  
  #vyhledavac input {
    border-radius: 2px 0 0 2px;
  }       
  
  #vyhledavac button {
    border-radius: 0 2px 2px 0; 
  }  
  
  #vyhledavac button:before {
    border-width: 5px 5px 5px 0;
    top: 25%;
    left: -4px;
  }    
   
}

@media only screen and (max-width: 750px) {
  
  #vyhledavac {
    height: 11px;
    border-radius: 2px;
  }    
  
  #vyhledavac input {
    border-radius: 1px 0 0 1px;
  }   
  
  #vyhledavac button {
    border-radius: 0 1px 1px 0; 
  }              
  
  #vyhledavac button:before {
    border-width: 3px 3px 3px 0;
    top: 20%;
    left: -2px;
  }    
   
}