Bordes (clases CSS que puedes utilizar)

/* Circle / Rounded Images Helper */
.circle img,
img.circle {
    border-radius: 50%;
}
.rounded img,
img.rounded {
    border-radius: 5px;
}

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/* Border Radius */
Del 0 al 10 de 1 en 1:
.br-0, .br-1, .br-2, etc.

Del 10 al 20 de 2 en 2:
.br-12, .br-14, .br-16, etc.

Del 25 al 35 de 5 en 5:
.br-25, .br-30, .br-35.

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.bb-n {
    border-bottom: none !important;
}

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/* Estilos de bordes */

.bs-solid {
    border-style: solid !important;
}
.bs-dotted {
    border-style: dotted !important;
}
.bs-dashed {
    border-style: dashed !important;
}
.bs-double {
    border-style: double !important;a
}
.bs-groove {
    border-style: groove !important;
}
.bs-ridge {
    border-style: ridge !important;
}
.bs-inset {
    border-style: inset !important;
}
.bs-outset {
    border-style: outset !important;
}