.tools-container {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.tool-container {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.btn-tool { 
  color: #FFFFFF; 
  background-color: #333333; 
  font-weight: bold;
  padding: 25px;
  border-radius: 5px;
  border: 0;
  cursor: pointer;
} 

.btn-tool:hover, 
.btn-tool:focus, 
.btn-tool:active, 
.btn-tool.active, 
.open .dropdown-toggle.btn-tool { 
  color: #FFFFFF; 
  background-color: #555555; 
} 

.btn-tool:active, 
.btn-tool.active, 
.open .dropdown-toggle.btn-tool { 
  background-image: none; 
} 

.btn-tool.disabled, 
.btn-tool[disabled], 
fieldset[disabled] .btn-tool, 
.btn-tool.disabled:hover, 
.btn-tool[disabled]:hover, 
fieldset[disabled] .btn-tool:hover, 
.btn-tool.disabled:focus, 
.btn-tool[disabled]:focus, 
fieldset[disabled] .btn-tool:focus, 
.btn-tool.disabled:active, 
.btn-tool[disabled]:active, 
fieldset[disabled] .btn-tool:active, 
.btn-tool.disabled.active, 
.btn-tool[disabled].active, 
fieldset[disabled] .btn-tool.active { 
  background-color: #555555; 
} 

.btn-tool .badge { 
  color: #333333; 
  background-color: #FFFFFF; 
}