h1{
    color: #333;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}
h2{
    color: #333;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}
h3{
    color: #333;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}
p{
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 10px;
}
a{
    color: #664646;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #000000;
    border-radius: 3px 3px 3px 3px;
    padding: 5px 10px;
    transition: all 0.3s ease-in-out;
}
a:hover{
    background-color: #f5f5f5;
    color: #333;
    border: 5px solid #333;
    border-radius: 5px 5px 5px 5px;
    transition: all 0.3s ease-in-out;
}
ul{
    list-style: none;
    margin: 0;
    padding: 0;
}
li{
    margin-bottom: 10px;
}
.container{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.row{
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}
.col-1{
    flex: 0 0 8.33333333%;  
    max-width: 8.33333333%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-2{
    flex: 0 0 16.66666667%;
    max-width: 16.66666667%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-3{
    flex: 0 0 25%;
    max-width: 25%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-4{
    flex: 0 0 33.33333333%;
    max-width: 33.33333333%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-5{
    flex: 0 0 41.66666667%;
    max-width: 41.66666667%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-6{
    flex: 0 0 50%;
    max-width: 50%;
    padding-left: 15px;
    padding-right: 15px;
}
input[type="text"], input[type="email"], input[type="password"], textarea{
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    margin-bottom: 10px;
    resize: vertical;
}
input[type="submit"]{
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}
input[type="submit"]:hover{
    background-color: #444;
}
.error{
    color: red;
    font-size: 14px;
    margin-bottom: 10px;
}
.success{
    color: green;
    font-size: 14px;
    margin-bottom: 10px;
}
.center{
    text-align: center;
}
.left{
    text-align: left;
}
.right{
    text-align: right;
}
.justify{
    text-align: justify;
}
.bold{
    font-weight: bold;
}
.italic{
    font-style: italic;
}
.underline{
    text-decoration: underline;
}
.uppercase{
    text-transform: uppercase;
}
.lowercase{
    text-transform: lowercase;
}    
.capitalize{
    text-transform: capitalize;
}
.line-through{
    text-decoration: line-through;
}
.no-wrap{
    white-space: nowrap;
}
.wrap{
    white-space: normal;
}
.break-word{
    word-wrap: break-word;
}
.no-select{
    user-select: none;
}
.select-all{
    user-select: all;
}
.pointer{
    cursor: pointer;
}
.hidden{
    display: none;
}
.show{
    display: block;
}
.flex{
    display: flex;
}
.inline-flex{
    display: inline-flex;
}
.flex-wrap{
    flex-wrap: wrap;
}
.flex-column{
    flex-direction: column;
}
.flex-row{
    flex-direction: row;
}
.justify-start{
    justify-content: flex-start;
}
.justify-end{
    justify-content: flex-end;
}
.justify-center{
    justify-content: center;
}
.justify-between{
    justify-content: space-between;
}
.justify-around{
    justify-content: space-around;
}
.align-start{
    align-items: flex-start;
}
.align-end{
    align-items: flex-end;
}
.align-center{
    align-items: center;
}
.align-stretch{
    align-items: stretch;
}
.align-baseline{
    align-items: baseline;
}
.align-content-start{
    align-content: flex-start;
}
.align-content-end{
    align-content: flex-end;
}
button{
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}
button:hover{
    background-color: #444;
}
.btn-primary{
    background-color: #333;
    color: #fff;
}
.btn-primary:hover{
    background-color: #444;
}
.btn-secondary{
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #ccc;
    border-radius: 3px;
}
.btn-secondary:hover{
    background-color: #e5e5e5;
}
.btn-success{
    background-color: #28a745;
    color: #fff;
}
.btn-success:hover{
    background-color: #218838;
}
button.deletebtn{
    background-color: #dc3545;
    color: #fff;
}
button.deletebtn:hover{
    background-color: #c82333;
}
.btn-group{
    display: flex;
}
.btn-group button{
    margin-right: 5px;
}
.btn-group button:last-child{
    margin-right: 0;
}
.btn-group.btn-group-vertical{
    flex-direction: column;
}
.btn-group.btn-group-vertical button{
    margin-bottom: 5px;
}
.btn-group.btn-group-vertical button:last-child{
    margin-bottom: 0;
}
.btn-group-toggle{
    display: flex;
    flex-direction: column;
}