.SaleContact .div-main{
    margin: 10px;
    width: calc(100% - 20px);
}

.SaleContact .textcontent{
    width: 100%;
    padding: 3px;
    border-radius: 4px;
    margin-top: 3px;
}

.SaleContact .sselect{
    width: 100%;
    padding: 3px;
    border-radius: 4px;
}

.SaleContact .btDangKy{
    width: calc(100% - 20px);
    height: 35px;
    /* margin-top: 10px; */
    padding: 3px;
    color: white;
    border: 1px solid #337ab7;
    border-radius: 4px;
    background: #337ab7;
    position: fixed;
    bottom: 10px;
}

.SaleContact .batbuoc{
    color: red;
    padding-left: 5px;
    float: right;
    margin-top: 3px;
}

.SaleContact .text-85{
    font-style: italic;
    color: #ff4e4e;
    font-size: 0.85em;
}

.input-group-append {
    margin-left: -1px;
}

.input-group-append, .input-group-prepend {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
*, ::after, ::before {
    box-sizing: border-box;
}

.input-group>.custom-select:not(:last-child), .input-group>.form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.input-group>.custom-file, .input-group>.custom-select, .input-group>.form-control {
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    width: 1%;
    margin-bottom: 0;
}
.form-control {
    display: block;
    width: 100%;
    padding: .375rem .75rem;
    /* font-size: 1rem; */
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
button, input {
    overflow: visible;
}
button, input, optgroup, select, textarea {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
*, ::after, ::before {
    box-sizing: border-box;
}

.mb-3, .my-3 {
    margin-bottom: 1rem!important;
}
.input-group {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-align: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
    width: 100%;
}
.input-group>.custom-select:not(:last-child), .input-group>.form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.custom-checkbox{
    display: flex;    
}
/* .input-group>.custom-file, .input-group>.custom-select, .input-group>.form-control {
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    width: 1%;
    margin-bottom: 0;
} */
/* .form-control {
    display: block;
    width: 100%;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
} */
/* 
.mb-3, .my-3 {
    margin-bottom: 1rem!important;
}
.input-group-prepend {
    margin-right: -1px;
}
.input-group-append, .input-group-prepend {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
} */